Crossword clues for Unfasten. 4 lettersAnswerClueUNDOUnfasten.UNFASTENReleaseUNFASTENRelease, as a seatbeltUNFASTENDisconnectUNFASTENOpenUNFASTENDetachUNFASTENRemove the chain from, sayUNFASTENRemove, as a seatbeltUNFASTENLet looseUNFASTENOpen, as a seat beltUNFASTENSDetachesUNFASTENOpen, in a wayLOOSENUnfastenLATCHKEYUnfastener.UNBARUnfasten.UNZIPUnfasten, in a way.RELEASEUnfastenOPENSUnfastensBRAOne might be unfastened to feed a babySNAPOPENUnfasten, as a onesieUNPEGUnfasten, in a wayUNTIEUnfastenATRIPUnfastened, as a sailUNDIDUnfastenedSNAPOPENUnfasten, in a wayXXXXXXUnfastened, e.g.DETACHUnfastenDETACHESUnfastensLOOSENSUnfastensUNPINUnfasten.UNBOLTUnfasten.UNLACINGUnfastening.LOOSEUnfastened.UNPINSUnfastens.UNBUTTONUnfasten, as a coat.UNPEGUnfasten.LOOSENEDUnfastened.