ASCERTAIN Antonyms There are 10 antonyms of the word ascertain. (opposite meanings)Did you mean?Definition of ASCERTAINSynonyms of ASCERTAINAlso try opposite words for..ascertainedascertainableBest Opposite Words For ASCERTAINTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1bewilderverbv2confuseverbv3doubtverb, nounv, n4hesitateverbv5mystifyverbv6puzzlenounn7questionnounn8uncertainadjectiveadj9waververbv10puzzle oververbv Alternatives for BEWILDER Words (22)bafflebemuseflummoxmystifynonplusperplexpuzzlestupefyconfoundconfusedisorientbefuddleamazebeatdiscombobulatedumbfoundgetgravelposestickthrowvexOpposite words for bewilder Alternatives for CONFUSE Words (25)confounddisconcertflummoxbafflebemusebewilderdisorientmuddlemystifyobfuscateperplexpuzzlebemuddlebedevilbefuddleblurdiscombobulateflurryfoxfuddlejumblemistakeobnubilateobscurethrowPhrases (1)put offOpposite words for confuse Alternatives for DOUBT Words (17)distrustquestionuncertaintyambivalencedisbeliefhesitateindecisionmisgivingqualmscepticismskepticismsuspiciondoubtfulnessdubiousnessmistrustdubietyincertitudeOpposite words for doubt Alternatives for HESITATE Words (11)waverdemurfalterhawhempausescruplestammerstutterwafflemammerOpposite words for hesitate Alternatives for MYSTIFY Words (15)amazebafflebeatbewilderdumbfoundflummoxgetgravelnonplusperplexposepuzzlestickstupefyvexOpposite words for mystify Alternatives for PUZZLE Words (26)conundrumenigmamysteryriddleamazebafflebeatbewilderbrain-teasercrossworddumbfoundflummoxgetgraveljigsawmystifiermystifynonplusperplexposeposerpuzzlerstickstupefyteaservexPhrases (3)crossword puzzleguessing gamejigsaw puzzleOpposite words for puzzle Alternatives for QUESTION Words (22)interrogationquerydoubtinquiryuncertaintyenquiryconsiderationdoubtfulnessdubiousnessheadinterrogateinterrogativeinterviewissuemotionoppugnproblemproposalpropositionsubjecttopicwonderPhrases (2)call into questioninterrogative sentenceOpposite words for question Alternatives for UNCERTAIN Words (19)unsettledunsureambiguousdoubtfulequivocalfalteringhesitantindecisivetentativeunclearundecidedunpredictableunresolvedvacillatingvaguewaveringchangeableincertainunsealedOpposite words for uncertain