UNDOUBTED Antonyms There are 6 antonyms of the word undoubted. (opposite meanings)Did you mean?Definition of UNDOUBTEDSynonyms of UNDOUBTEDAlso try opposite words for..undoubtingundoubtableundoubtedlyBest Opposite Words For UNDOUBTEDTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1dubiousadjectiveadj2questionableadjectiveadj3uncertainadjectiveadj4unprovenadjectiveadj5unsureadjectiveadj6doubtedverbv Alternatives for DUBIOUS Words (11)doubtfulambiguoushesitantiffyquestionableskepticalsuspiciousuncertainunclearunsuredubitablePhrases (1)in questionOpposite words for dubious Alternatives for QUESTIONABLE Words (3)confutableconfutativerefutableOpposite words for questionable Alternatives for UNCERTAIN Words (19)unsettledunsureambiguousdoubtfulequivocalfalteringhesitantindecisivetentativeunclearundecidedunpredictableunresolvedvacillatingvaguewaveringchangeableincertainunsealedOpposite words for uncertain Alternatives for UNPROVEN Words (6)uncorroboratedunsubstantiatedunsupporteduntestedunverifiedunprovedOpposite words for unproven Alternatives for UNSURE Words (21)uncertainambivalentconfuseddoubtfuldubioushesitantindecisivepuzzledskepticalunclearuncommittedunconvincedundecidedunsurevacillatingwaveringagnosticdiffidentincertainshytimidOpposite words for unsure Alternatives for DOUBTED Words (21)disbelievingdubioushesitantmistrustfulquestioningscepticalskepticalsuspiciousunbelievinguncertainunconvincedunsuredistrustingdistrustdoubtfulnessdubiousnessmistrustdubietyincertitudequestionuncertaintyOpposite words for doubted