MyDataFarming

Definitions of doubtful:

adjective:   open to doubt or suspicion
Example: "The candidate's doubtful past"

adjective:   unsettled in mind or opinion
adjective:   fraught with uncertainty or doubt
Example: "They were doubtful that the cord would hold"

more on this topic on answers.com

Alternative Terms
doubt ambiguous borderline chancy clouded dubious dubitable equivocal inconclusive indecisive indeterminate problematic questionable uncertain unclear unsure iffy certain-uncertain clear-unclear improbable unapt unlikely likely-unlikely skeptical undecided arguable contested debatable disputable exceptionable mootness mootable shady suspect suspicious fishy honest-dishonest amphibolous bogglish cryptogenic sure unstable-unsteady positive alleged assured certain cynical rocky

oubtful , doubtful , eoubtful , edoubtful , roubtful , rdoubtful , soubtful , sdoubtful , toubtful , tdoubtful , uoubtful , udoubtful , voubtful , vdoubtful , youbtful , ydoubtful , zoubtful , zdoubtful , foubtful , fdoubtful , goubtful , gdoubtful , houbtful , hdoubtful , ioubtful , idoubtful , 0oubtful , 0doubtful , 1oubtful , 1doubtful , 2oubtful , 2doubtful , 3oubtful , 3doubtful , 4oubtful , 4doubtful , 5oubtful , 5doubtful , 6oubtful , 6doubtful , 7oubtful , 7doubtful , 8oubtful , 8doubtful , 9oubtful , 9doubtful , ,oubtful , ,doubtful , .oubtful , .doubtful , /oubtful , /doubtful , [oubtful , [doubtful , ]oubtful , ]doubtful , 'oubtful , 'doubtful , ;oubtful , ;doubtful , aoubtful , adoubtful , boubtful , bdoubtful , coubtful , cdoubtful , doubtful , ddoubtful , joubtful , jdoubtful , koubtful , kdoubtful , loubtful , ldoubtful , moubtful , mdoubtful , noubtful , ndoubtful , ooubtful , odoubtful , poubtful , pdoubtful , dubtful , doubtful , deubtful , deoubtful , drubtful , droubtful , dsubtful , dsoubtful , dtubtful , dtoubtful , duubtful , duoubtful , dvubtful , dvoubtful , dyubtful , dyoubtful , dzubtful , dzoubtful , dfubtful , dfoubtful , dgubtful , dgoubtful , dhubtful , dhoubtful , diubtful , dioubtful , d0ubtful , d0oubtful , d1ubtful , d1oubtful , d2ubtful , d2oubtful , d3ubtful , d3oubtful , d4ubtful , d4oubtful , d5ubtful , d5oubtful , d6ubtful , d6oubtful , d7ubtful , d7oubtful , d8ubtful , d8oubtful , d9ubtful , d9oubtful , d,ubtful , d,oubtful , d.ubtful , d.oubtful , d/ubtful , d/oubtful , d[ubtful , d[oubtful , d]ubtful , d]oubtful , d'ubtful , d'oubtful , d;ubtful , d;oubtful , daubtful , daoubtful , dbubtful , dboubtful , dcubtful , dcoubtful , ddubtful , ddoubtful , djubtful , djoubtful , dkubtful , dkoubtful , dlubtful , dloubtful , dmubtful , dmoubtful , dnubtful , dnoubtful , doubtful , dooubtful , dpubtful , dpoubtful , dobtful , doubtful , doebtful , doeubtful , dorbtful , dorubtful , dosbtful , dosubtful , dotbtful , dotubtful , doubtful , douubtful , dovbtful , dovubtful , doybtful , doyubtful , dozbtful , dozubtful , dofbtful , dofubtful , dogbtful , dogubtful , dohbtful , dohubtful , doibtful , doiubtful , do0btful , do0ubtful , do1btful , do1ubtful , do2btful , do2ubtful , do3btful , do3ubtful , do4btful , do4ubtful , do5btful , do5ubtful , do6btful , do6ubtful , do7btful , do7ubtful , do8btful , do8ubtful , do9btful , do9ubtful , do,btful , do,ubtful , do.btful , do.ubtful , do/btful , do/ubtful , do[btful , do[ubtful , do]btful , do]ubtful , do'btful , do'ubtful , do;btful , do;ubtful , doabtful , doaubtful , dobbtful , dobubtful , docbtful , docubtful , dodbtful , dodubtful , dojbtful , dojubtful , dokbtful , dokubtful , dolbtful , dolubtful , dombtful , domubtful , donbtful , donubtful , doobtful , dooubtful , dopbtful , dopubtful , doutful , doubtful , douetful , douebtful , dourtful , dourbtful , doustful , dousbtful , douttful , doutbtful , douutful , douubtful , douvtful , douvbtful , douytful , douybtful , douztful , douzbtful , douftful , doufbtful , dougtful , dougbtful , douhtful , douhbtful , douitful , douibtful , dou0tful , dou0btful , dou1tful , dou1btful , dou2tful , dou2btful , dou3tful , dou3btful , dou4tful , dou4btful , dou5tful , dou5btful , dou6tful , dou6btful , dou7tful , dou7btful , dou8tful , dou8btful , dou9tful , dou9btful , dou,tful , dou,btful , dou.tful , dou.btful , dou/tful , dou/btful , dou[tful , dou[btful , dou]tful , dou]btful , dou'tful , dou'btful , dou;tful , dou;btful , douatful , douabtful , doubtful , doubbtful , douctful , doucbtful , doudtful , doudbtful , doujtful , doujbtful , douktful , doukbtful , doultful , doulbtful , doumtful , doumbtful , dountful , dounbtful , douotful , douobtful , douptful , doupbtful , doubful , doubtful , doubeful , doubetful , doubrful , doubrtful , doubsful , doubstful , doubtful , doubttful , doubuful , doubutful , doubvful , doubvtful , doubyful , doubytful , doubzful , doubztful , doubfful , doubftful , doubgful , doubgtful , doubhful , doubhtful , doubiful , doubitful , doub0ful , doub0tful , doub1ful , doub1tful , doub2ful , doub2tful , doub3ful , doub3tful , doub4ful , doub4tful , doub5ful , doub5tful , doub6ful , doub6tful , doub7ful , doub7tful , doub8ful , doub8tful , doub9ful , doub9tful , doub,ful , doub,tful , doub.ful , doub.tful , doub/ful , doub/tful , doub[ful , doub[tful , doub]ful , doub]tful , doub'ful , doub'tful , doub;ful , doub;tful , doubaful , doubatful , doubbful , doubbtful , doubcful , doubctful , doubdful , doubdtful , doubjful , doubjtful , doubkful , doubktful , doublful , doubltful , doubmful , doubmtful , doubnful , doubntful , douboful , doubotful , doubpful , doubptful , doubtul , doubtful , doubteul , doubteful , doubtrul , doubtrful , doubtsul , doubtsful , doubttul , doubttful , doubtuul , doubtuful , doubtvul , doubtvful , doubtyul , doubtyful , doubtzul , doubtzful , doubtful , doubtfful , doubtgul , doubtgful , doubthul , doubthful , doubtiul , doubtiful , doubt0ul , doubt0ful , doubt1ul , doubt1ful , doubt2ul , doubt2ful , doubt3ul , doubt3ful , doubt4ul , doubt4ful , doubt5ul , doubt5ful , doubt6ul , doubt6ful , doubt7ul , doubt7ful , doubt8ul , doubt8ful , doubt9ul , doubt9ful , doubt,ul , doubt,ful , doubt.ul , doubt.ful , doubt/ul , doubt/ful , doubt[ul , doubt[ful , doubt]ul , doubt]ful , doubt'ul , doubt'ful , doubt;ul , doubt;ful , doubtaul , doubtaful , doubtbul , doubtbful , doubtcul , doubtcful , doubtdul , doubtdful , doubtjul , doubtjful , doubtkul , doubtkful , doubtlul , doubtlful , doubtmul , doubtmful , doubtnul , doubtnful , doubtoul , doubtoful , doubtpul , doubtpful , doubtfl , doubtful , doubtfel , doubtfeul , doubtfrl , doubtfrul , doubtfsl , doubtfsul , doubtftl , doubtftul , doubtful , doubtfuul , doubtfvl , doubtfvul , doubtfyl , doubtfyul , doubtfzl , doubtfzul , doubtffl , doubtfful , doubtfgl , doubtfgul , doubtfhl , doubtfhul , doubtfil , doubtfiul , doubtf0l , doubtf0ul , doubtf1l , doubtf1ul , doubtf2l , doubtf2ul , doubtf3l , doubtf3ul , doubtf4l , doubtf4ul , doubtf5l , doubtf5ul , doubtf6l , doubtf6ul , doubtf7l , doubtf7ul , doubtf8l , doubtf8ul , doubtf9l , doubtf9ul , doubtf,l , doubtf,ul , doubtf.l , doubtf.ul , doubtf/l , doubtf/ul , doubtf[l , doubtf[ul , doubtf]l , doubtf]ul , doubtf'l , doubtf'ul , doubtf;l , doubtf;ul , doubtfal , doubtfaul , doubtfbl , doubtfbul , doubtfcl , doubtfcul , doubtfdl , doubtfdul , doubtfjl , doubtfjul , doubtfkl , doubtfkul , doubtfll , doubtflul , doubtfml , doubtfmul , doubtfnl , doubtfnul , doubtfol , doubtfoul , doubtfpl , doubtfpul , doubtfu , doubtful , doubtfue , doubtfuel , doubtfur , doubtfurl , doubtfus , doubtfusl , doubtfut , doubtfutl , doubtfuu , doubtfuul , doubtfuv , doubtfuvl , doubtfuy , doubtfuyl , doubtfuz , doubtfuzl , doubtfuf , doubtfufl , doubtfug , doubtfugl , doubtfuh , doubtfuhl , doubtfui , doubtfuil , doubtfu0 , doubtfu0l , doubtfu1 , doubtfu1l , doubtfu2 , doubtfu2l , doubtfu3 , doubtfu3l , doubtfu4 , doubtfu4l , doubtfu5 , doubtfu5l , doubtfu6 , doubtfu6l , doubtfu7 , doubtfu7l , doubtfu8 , doubtfu8l , doubtfu9 , doubtfu9l , doubtfu, , doubtfu,l , doubtfu. , doubtfu.l , doubtfu/ , doubtfu/l , doubtfu[ , doubtfu[l , doubtfu] , doubtfu]l , doubtfu' , doubtfu'l , doubtfu; , doubtfu;l , doubtfua , doubtfual , doubtfub , doubtfubl , doubtfuc , doubtfucl , doubtfud , doubtfudl , doubtfuj , doubtfujl , doubtfuk , doubtfukl , doubtful , doubtfull , doubtfum , doubtfuml , doubtfun , doubtfunl , doubtfuo , doubtfuol , doubtfup , doubtfupl , odubtful , duobtful , dobutful , doutbful , doubftul , doubtufl , doubtflu