OPINION Antonyms There are 9 antonyms of the word opinion. (opposite meanings)Did you mean?Definition of OPINIONAlso try opposite words for..opineopinionatedopinionatorBest Opposite Words For OPINIONTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1agreementnounn2certaintynounn3consensusnounn4evidencenounn5factnounn6knowledgenounn7proofnounn8realitynounn9truthnounn Alternatives for AGREEMENT Words (18)accordconcordarrangementpactunderstandingdealamenityconcordanceconcurrencecongenialityconventioncorrespondencecovenantharmonynicenesspleasantnesssettlementtreatyOpposite words for agreement Alternatives for CERTAINTY Words (15)surenessassuranceconclusivenessconfidenceconvictiondecisivenessdefinitenessdeterminationfirmnesspositivityreliabilitysafetysecuritysuretycertitudePhrases (2)sure thingforegone conclusionOpposite words for certainty Alternatives for CONSENSUS Words (7)accordagreementconcordanceconcurrenceharmonyunanimityunityOpposite words for consensus Alternatives for EVIDENCE Words (24)attestationclueconfirmationcorroborationdemonstrationdocumentationexhibitillustrationindicationmanifestationproofsignsubstantiationtestimonyverificationattestcertifydemonstrategroundsmanifestproveshowtelltestifyPhrases (1)bear witnessOpposite words for evidence Alternatives for FACT Words (10)accuracyactualityauthenticitycertaintycertitudegenuinenessrealitysuretytruthverityOpposite words for fact Alternatives for KNOWLEDGE Words (22)awarenesscognitionlearningacquaintancecomprehensionconsciousnesseducationenlightenmenteruditionexpertisefamiliarityinformationinsightintelligenceproficiencyscholarshipunderstandingwisdomcognizancekenknowingnessnoesisOpposite words for knowledge Alternatives for PROOF Words (10)substantiationvalidationattestationconfirmationcorroborationevidencesupporttestimonyverificationproofreadPhrases (3)cogent evidencetest copytrial impressionOpposite words for proof Alternatives for REALITY Words (5)actualityrealismrealnesstruthworldOpposite words for reality