DECERTIFY Antonyms There are 7 antonyms of the word decertify. (opposite meanings)Did you mean?Definition of DECERTIFYSynonyms of DECERTIFYAlso try opposite words for..decertifieddecertifiesdecertifyingdecertificationBest Opposite Words For DECERTIFYTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1certifyverbv2accreditverbv3approveverbv4authenticateverbv5confirmverbv6endorseverbv7validateverbv Alternatives for CERTIFY Words (21)attestapproveconfirmendorseaccreditaffirmauthenticateauthorizedeclaresubstantiatevalidateverifyvouchwarrantdemonstrateevidenceindorselicencelicensemanifestwitnessOpposite words for certify Alternatives for ACCREDIT Words (12)appointapproveauthorizecertifycommissionempowerendorselicensevalidatecreditrecogniserecognizeOpposite words for accredit Alternatives for APPROVE Words (20)sanctionacceptacclaimagreeallowappreciateauthorizebackblesscommendconfirmconsentendorsegrantlikepermitratifysupportvalidateokayAbbreviations (1)o.k.Opposite words for approve Alternatives for AUTHENTICATE Words (13)certifyconfirmcorroborateestablishsubstantiatevalidateverifycrediblegenuinerealreliabletrustworthyunfakedPhrases (1)bona fideOpposite words for authenticate Alternatives for CONFIRM Words (13)affirmcorroboratesupportauthenticateendorseestablishproveratifyvalidateverifyreassertsubstantiatesustainOpposite words for confirm Alternatives for ENDORSE Words (14)backsupportadvocateapprovechampionconsentendorsefavorpromoteratifysanctionindorsecertifysecondPhrases (2)plump forplunk forOpposite words for endorse Alternatives for VALIDATE Words (11)acknowledgeauthenticatecertifyconfirmendorsejustifyratifyverifycorroborateformaliseformalizeOpposite words for validate