annullityEtymologyFrom annul + -ity, modeled after nullity.annullity means synonym of annulment. Lexicurio rates it Sui generis — a strength score of 95 out of 100.nounSynonym of annulment.“And ſo fearefull a ſinne on the other ſide is vnbeliefe,thus making an annullity,after a ſoꝛt, of Gods wholſome and holy Oꝛdinance, which he hath inſtituted and ſanctified, foꝛ the good and ſaluation of his people.”