Home › Words › T › treachertreacher/ˈtɹɛt͡ʃəɹ/treacher means A surname.Among words judged in Lexicurio's Arena, treacher ranks #6,346 of 42,789 for Qualifying.treacher is pronounced /ˈtɹɛt͡ʃəɹ/.EtymologyFrom Middle English trecher, from Old French trecheor (modern tricheur), from trechier, tricher (“to cheat, trick”). Compare English trick.nameA surname.nounA traitor or deceiver.Definitions & examples from Wiktionary (CC BY-SA 3.0).Words closest in meaningBy meaning, not spelling — each word's AI semantic fingerprint, nearest first.traitory 70% match — treachery; acts of a traitor vs treacher →treacherous 70% match — Exhibiting treachery. vs treacher →trahison 67% match — Treason. vs treacher →archtraitor 67% match — A chief or transcendent traitor. vs treacher →proditorious 67% match — Treacherous, traitorous. vs treacher →proditor 66% match — A traitor. vs treacher →traitorwise 65% match — In the manner of a traitor; traitorously. vs treacher →treacherously 65% match — In a treacherous manner. vs treacher →