COUNTERSIGN Antonyms There are 10 antonyms of the word countersign. (opposite meanings)Did you mean?Definition of COUNTERSIGNBest Opposite Words For COUNTERSIGNTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1approveverbv2authorizeverbv3certifyverbv4confirmverbv5consentverb, nounv, n6endorseverbv7ok8sanctionverb, nounv, n9supportverb, nounv, n10validateverbv Alternatives for APPROVE Words (20)sanctionacceptacclaimagreeallowappreciateauthorizebackblesscommendconfirmconsentendorsegrantlikepermitratifysupportvalidateokayAbbreviations (1)o.k.Opposite words for approve Alternatives for AUTHORIZE Words (11)empoweraccreditapproveenablelicensepermitvalidatewarrantauthoriseclearpassOpposite words for authorize Alternatives for CERTIFY Words (21)attestapproveconfirmendorseaccreditaffirmauthenticateauthorizedeclaresubstantiatevalidateverifyvouchwarrantdemonstrateevidenceindorselicencelicensemanifestwitnessOpposite words for certify Alternatives for CONFIRM Words (13)affirmcorroboratesupportauthenticateendorseestablishproveratifyvalidateverifyreassertsubstantiatesustainOpposite words for confirm Alternatives for CONSENT Words (11)acceptacquiesceagreeagreementapprovalapproveassentconcurpermissionwillingnessyesPhrases (1)go forOpposite words for consent Alternatives for ENDORSE Words (14)backsupportadvocateapprovechampionconsentendorsefavorpromoteratifysanctionindorsecertifysecondPhrases (2)plump forplunk forOpposite words for endorse Alternatives for OK Words (12)fineokayadequatealrightcoolhunky-doryokehoklahomapermissiblesatisfactorywellallowedPhrases (4)all rightnot badsooner statevery wellAbbreviations (3)o.k.okeyokla.Opposite words for ok Alternatives for SANCTION Words (23)approvewarrantacceptaccreditallowauthorizebackconfirmendorsejustifypermitratifysupportvalidateauthorisationauthorityauthorizationcountenanceendorsementimprimaturindorsementokaysanctifyAbbreviations (1)o.k.Opposite words for sanction