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Definitions of unconcerned:

adjective:   not occupied or engaged with
Example: "Readers unconcerned with style"

adjective:   easy in mind; not worried
Example: "The prisoner seems entirely unconcerned as to the outcome of the examination"

adjective:   lacking in interest or care or feeling
Example: "The average American...is unconcerned that his or her plight is the result of a complex of personal and economic and governmental actions...beyond the normal citizen's comprehension and control"

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Alternative Terms
apathetic detached impassive incurious indifferent insensible lethargic listless phlegmatic stolid uninterested unresponsive feelings-similar-words aloof disinterested uninvolved attitude-good-attitude-bad-attitude-neutral-attitude concern-unconcern careless feckless heedless inattentive irresponsible reckless thoughtless unmindful unthinking careful-careless forgetful mindless unheeding unobservant asocial inquisitive persnickety regardless concerned nosy obsessed prissy inapprehensive earnest careful eager interested jealous

nconcerned , unconcerned , enconcerned , eunconcerned , rnconcerned , runconcerned , snconcerned , sunconcerned , tnconcerned , tunconcerned , unconcerned , uunconcerned , vnconcerned , vunconcerned , ynconcerned , yunconcerned , znconcerned , zunconcerned , fnconcerned , funconcerned , gnconcerned , gunconcerned , hnconcerned , hunconcerned , inconcerned , iunconcerned , 0nconcerned , 0unconcerned , 1nconcerned , 1unconcerned , 2nconcerned , 2unconcerned , 3nconcerned , 3unconcerned , 4nconcerned , 4unconcerned , 5nconcerned , 5unconcerned , 6nconcerned , 6unconcerned , 7nconcerned , 7unconcerned , 8nconcerned , 8unconcerned , 9nconcerned , 9unconcerned , ,nconcerned , ,unconcerned , .nconcerned , .unconcerned , /nconcerned , /unconcerned , [nconcerned , [unconcerned , ]nconcerned , ]unconcerned , 'nconcerned , 'unconcerned , ;nconcerned , ;unconcerned , anconcerned , aunconcerned , bnconcerned , bunconcerned , cnconcerned , cunconcerned , dnconcerned , dunconcerned , jnconcerned , junconcerned , knconcerned , kunconcerned , lnconcerned , lunconcerned , mnconcerned , munconcerned , nnconcerned , nunconcerned , onconcerned , ounconcerned , pnconcerned , punconcerned , uconcerned , unconcerned , ueconcerned , uenconcerned , urconcerned , urnconcerned , usconcerned , usnconcerned , utconcerned , utnconcerned , uuconcerned , uunconcerned , uvconcerned , uvnconcerned , uyconcerned , uynconcerned , uzconcerned , uznconcerned , ufconcerned , ufnconcerned , ugconcerned , ugnconcerned , uhconcerned , uhnconcerned , uiconcerned , uinconcerned , u0concerned , u0nconcerned , u1concerned , u1nconcerned , u2concerned , u2nconcerned , u3concerned , u3nconcerned , u4concerned , u4nconcerned , u5concerned , u5nconcerned , u6concerned , u6nconcerned , u7concerned , u7nconcerned , u8concerned , u8nconcerned , u9concerned , u9nconcerned , u,concerned , u,nconcerned , u.concerned , u.nconcerned , u/concerned , u/nconcerned , u[concerned , u[nconcerned , u]concerned , u]nconcerned , u'concerned , u'nconcerned , u;concerned , u;nconcerned , uaconcerned , uanconcerned , ubconcerned , ubnconcerned , ucconcerned , ucnconcerned , udconcerned , udnconcerned , ujconcerned , ujnconcerned , ukconcerned , uknconcerned , ulconcerned , ulnconcerned , umconcerned , umnconcerned , unconcerned , unnconcerned , uoconcerned , uonconcerned , upconcerned , upnconcerned , unoncerned , unconcerned , uneoncerned , uneconcerned , unroncerned , unrconcerned , unsoncerned , unsconcerned , untoncerned , untconcerned , unuoncerned , unuconcerned , unvoncerned , unvconcerned , unyoncerned , unyconcerned , unzoncerned , unzconcerned , unfoncerned , unfconcerned , ungoncerned , ungconcerned , unhoncerned , unhconcerned , unioncerned , uniconcerned , un0oncerned , un0concerned , un1oncerned , un1concerned , un2oncerned , un2concerned , un3oncerned , un3concerned , un4oncerned , un4concerned , un5oncerned , un5concerned , un6oncerned , un6concerned , un7oncerned , un7concerned , un8oncerned , un8concerned , un9oncerned , un9concerned , un,oncerned , un,concerned , un.oncerned , un.concerned , un/oncerned , un/concerned , un[oncerned , un[concerned , un]oncerned , un]concerned , un'oncerned , un'concerned , un;oncerned , un;concerned , unaoncerned , unaconcerned , unboncerned , unbconcerned , unconcerned , uncconcerned , undoncerned , undconcerned , unjoncerned , unjconcerned , unkoncerned , unkconcerned , unloncerned , unlconcerned , unmoncerned , unmconcerned , unnoncerned , unnconcerned , unooncerned , unoconcerned , unponcerned , unpconcerned , uncncerned , unconcerned , uncencerned , unceoncerned , uncrncerned , uncroncerned , uncsncerned , uncsoncerned , unctncerned , unctoncerned , uncuncerned , uncuoncerned , uncvncerned , uncvoncerned , uncyncerned , uncyoncerned , unczncerned , unczoncerned , uncfncerned , uncfoncerned , uncgncerned , uncgoncerned , unchncerned , unchoncerned , uncincerned , uncioncerned , unc0ncerned , unc0oncerned , unc1ncerned , unc1oncerned , unc2ncerned , unc2oncerned , unc3ncerned , unc3oncerned , unc4ncerned , unc4oncerned , unc5ncerned , unc5oncerned , unc6ncerned , unc6oncerned , unc7ncerned , unc7oncerned , unc8ncerned , unc8oncerned , unc9ncerned , unc9oncerned , unc,ncerned , unc,oncerned , unc.ncerned , unc.oncerned , unc/ncerned , unc/oncerned , unc[ncerned , unc[oncerned , unc]ncerned , unc]oncerned , unc'ncerned , unc'oncerned , unc;ncerned , unc;oncerned , uncancerned , uncaoncerned , uncbncerned , uncboncerned , unccncerned , uncconcerned , uncdncerned , uncdoncerned , uncjncerned , uncjoncerned , unckncerned , unckoncerned , unclncerned , uncloncerned , uncmncerned , uncmoncerned , uncnncerned , uncnoncerned , unconcerned , uncooncerned , uncpncerned , uncponcerned , uncocerned , unconcerned , uncoecerned , uncoencerned , uncorcerned , uncorncerned , uncoscerned , uncosncerned , uncotcerned , uncotncerned , uncoucerned , uncouncerned , uncovcerned , uncovncerned , uncoycerned , uncoyncerned , uncozcerned , uncozncerned , uncofcerned , uncofncerned , uncogcerned , uncogncerned , uncohcerned , uncohncerned , uncoicerned , uncoincerned , unco0cerned , unco0ncerned , unco1cerned , unco1ncerned , unco2cerned , unco2ncerned , unco3cerned , unco3ncerned , unco4cerned , unco4ncerned , unco5cerned , unco5ncerned , unco6cerned , unco6ncerned , unco7cerned , unco7ncerned , unco8cerned , unco8ncerned , unco9cerned , unco9ncerned , unco,cerned , unco,ncerned , unco.cerned , unco.ncerned , unco/cerned , unco/ncerned , unco[cerned , unco[ncerned , unco]cerned , unco]ncerned , unco'cerned , unco'ncerned , unco;cerned , unco;ncerned , uncoacerned , uncoancerned , uncobcerned , uncobncerned , uncoccerned , uncocncerned , uncodcerned , uncodncerned , uncojcerned , uncojncerned , uncokcerned , uncokncerned , uncolcerned , uncolncerned , uncomcerned , uncomncerned , unconcerned , unconncerned , uncoocerned , uncooncerned , uncopcerned , uncopncerned , unconerned , unconcerned , unconeerned , unconecerned , unconrerned , unconrcerned , unconserned , unconscerned , unconterned , uncontcerned , unconuerned , unconucerned , unconverned , unconvcerned , unconyerned , unconycerned , unconzerned , unconzcerned , unconferned , unconfcerned , uncongerned , uncongcerned , unconherned , unconhcerned , unconierned , unconicerned , uncon0erned , uncon0cerned , uncon1erned , uncon1cerned , uncon2erned , uncon2cerned , uncon3erned , uncon3cerned , uncon4erned , uncon4cerned , uncon5erned , uncon5cerned , uncon6erned , uncon6cerned , uncon7erned , uncon7cerned , uncon8erned , uncon8cerned , uncon9erned , uncon9cerned , uncon,erned , uncon,cerned , uncon.erned , uncon.cerned , uncon/erned , uncon/cerned , uncon[erned , uncon[cerned , uncon]erned , uncon]cerned , uncon'erned , uncon'cerned , uncon;erned , uncon;cerned , unconaerned , unconacerned , unconberned , unconbcerned , unconcerned , unconccerned , unconderned , uncondcerned , unconjerned , unconjcerned , unconkerned , unconkcerned , unconlerned , unconlcerned , unconmerned , unconmcerned , unconnerned , unconncerned , unconoerned , unconocerned , unconperned , unconpcerned , unconcrned , unconcerned , unconcerned , unconceerned , unconcrrned , unconcrerned , unconcsrned , unconcserned , unconctrned , unconcterned , unconcurned , unconcuerned , unconcvrned , unconcverned , unconcyrned , unconcyerned , unconczrned , unconczerned , unconcfrned , unconcferned , unconcgrned , unconcgerned , unconchrned , unconcherned , unconcirned , unconcierned , unconc0rned , unconc0erned , unconc1rned , unconc1erned , unconc2rned , unconc2erned , unconc3rned , unconc3erned , unconc4rned , unconc4erned , unconc5rned , unconc5erned , unconc6rned , unconc6erned , unconc7rned , unconc7erned , unconc8rned , unconc8erned , unconc9rned , unconc9erned , unconc,rned , unconc,erned , unconc.rned , unconc.erned , unconc/rned , unconc/erned , unconc[rned , unconc[erned , unconc]rned , unconc]erned , unconc'rned , unconc'erned , unconc;rned , unconc;erned , unconcarned , unconcaerned , unconcbrned , unconcberned , unconccrned , unconccerned , unconcdrned , unconcderned , unconcjrned , unconcjerned , unconckrned , unconckerned , unconclrned , unconclerned , unconcmrned , unconcmerned , unconcnrned , unconcnerned , unconcorned , unconcoerned , unconcprned , unconcperned , unconcened , unconcerned , unconceened , unconceerned , unconcerned , unconcerrned , unconcesned , unconcesrned , unconcetned , unconcetrned , unconceuned , unconceurned , unconcevned , unconcevrned , unconceyned , unconceyrned , unconcezned , unconcezrned , unconcefned , unconcefrned , unconcegned , unconcegrned , unconcehned , unconcehrned , unconceined , unconceirned , unconce0ned , unconce0rned , unconce1ned , unconce1rned , unconce2ned , unconce2rned , unconce3ned , unconce3rned , unconce4ned , unconce4rned , unconce5ned , unconce5rned , unconce6ned , unconce6rned , unconce7ned , unconce7rned , unconce8ned , unconce8rned , unconce9ned , unconce9rned , unconce,ned , unconce,rned , unconce.ned , unconce.rned , unconce/ned , unconce/rned , unconce[ned , unconce[rned , unconce]ned , unconce]rned , unconce'ned , unconce'rned , unconce;ned , unconce;rned , unconceaned , unconcearned , unconcebned , unconcebrned , unconcecned , unconcecrned , unconcedned , unconcedrned , unconcejned , unconcejrned , unconcekned , unconcekrned , unconcelned , unconcelrned , unconcemned , unconcemrned , unconcenned , unconcenrned , unconceoned , unconceorned , unconcepned , unconceprned , unconcered , unconcerned , unconcereed , unconcerened , unconcerred , unconcerrned , unconcersed , unconcersned , unconcerted , unconcertned , unconcerued , unconceruned , unconcerved , unconcervned , unconceryed , unconceryned , unconcerzed , unconcerzned , unconcerfed , unconcerfned , unconcerged , unconcergned , unconcerhed , unconcerhned , unconceried , unconcerined , unconcer0ed , unconcer0ned , unconcer1ed , unconcer1ned , unconcer2ed , unconcer2ned , unconcer3ed , unconcer3ned , unconcer4ed , unconcer4ned , unconcer5ed , unconcer5ned , unconcer6ed , unconcer6ned , unconcer7ed , unconcer7ned , unconcer8ed , unconcer8ned , unconcer9ed , unconcer9ned , unconcer,ed , unconcer,ned , unconcer.ed , unconcer.ned , unconcer/ed , unconcer/ned , unconcer[ed , unconcer[ned , unconcer]ed , unconcer]ned , unconcer'ed , unconcer'ned , unconcer;ed , unconcer;ned , unconceraed , unconceraned , unconcerbed , unconcerbned , unconcerced , unconcercned , unconcerded , unconcerdned , unconcerjed , unconcerjned , unconcerked , unconcerkned , unconcerled , unconcerlned , unconcermed , unconcermned , unconcerned , unconcernned , unconceroed , unconceroned , unconcerped , unconcerpned , unconcernd , unconcerned , unconcerned , unconcerneed , unconcernrd , unconcernred , unconcernsd , unconcernsed , unconcerntd , unconcernted , unconcernud , unconcernued , unconcernvd , unconcernved , unconcernyd , unconcernyed , unconcernzd , unconcernzed , unconcernfd , unconcernfed , unconcerngd , unconcernged , unconcernhd , unconcernhed , unconcernid , unconcernied , unconcern0d , unconcern0ed , unconcern1d , unconcern1ed , unconcern2d , unconcern2ed , unconcern3d , unconcern3ed , unconcern4d , unconcern4ed , unconcern5d , unconcern5ed , unconcern6d , unconcern6ed , unconcern7d , unconcern7ed , unconcern8d , unconcern8ed , unconcern9d , unconcern9ed , unconcern,d , unconcern,ed , unconcern.d , unconcern.ed , unconcern/d , unconcern/ed , unconcern[d , unconcern[ed , unconcern]d , unconcern]ed , unconcern'd , unconcern'ed , unconcern;d , unconcern;ed , unconcernad , unconcernaed , unconcernbd , unconcernbed , unconcerncd , unconcernced , unconcerndd , unconcernded , unconcernjd , unconcernjed , unconcernkd , unconcernked , unconcernld , unconcernled , unconcernmd , unconcernmed , unconcernnd , unconcernned , unconcernod , unconcernoed , unconcernpd , unconcernped , unconcerne , unconcerned , unconcernee , unconcerneed , unconcerner , unconcernerd , unconcernes , unconcernesd , unconcernet , unconcernetd , unconcerneu , unconcerneud , unconcernev , unconcernevd , unconcerney , unconcerneyd , unconcernez , unconcernezd , unconcernef , unconcernefd , unconcerneg , unconcernegd , unconcerneh , unconcernehd , unconcernei , unconcerneid , unconcerne0 , unconcerne0d , unconcerne1 , unconcerne1d , unconcerne2 , unconcerne2d , unconcerne3 , unconcerne3d , unconcerne4 , unconcerne4d , unconcerne5 , unconcerne5d , unconcerne6 , unconcerne6d , unconcerne7 , unconcerne7d , unconcerne8 , unconcerne8d , unconcerne9 , unconcerne9d , unconcerne, , unconcerne,d , unconcerne. , unconcerne.d , unconcerne/ , unconcerne/d , unconcerne[ , unconcerne[d , unconcerne] , unconcerne]d , unconcerne' , unconcerne'd , unconcerne; , unconcerne;d , unconcernea , unconcernead , unconcerneb , unconcernebd , unconcernec , unconcernecd , unconcerned , unconcernedd , unconcernej , unconcernejd , unconcernek , unconcernekd , unconcernel , unconcerneld , unconcernem , unconcernemd , unconcernen , unconcernend , unconcerneo , unconcerneod , unconcernep , unconcernepd , nuconcerned , ucnoncerned , unocncerned , uncnocerned , uncocnerned , unconecrned , unconcrened , unconcenred , unconcerend , unconcernde