unreliable Synonyms

undependable treacherous slippery unsound unstable untrue vacillating variable volatile weak wild-cat unreputable unfaithful uncertain suspect temperamental tenuous tottery traitorous treasonable trustless unassured unsettled unsteady untrustworthy iffy fly-by-night unsure unpredictable unproven unsafe undependably unreproducible unsubstantiated unsupported inauthentic two-timing wonky duplicitous two-faced dodgy double-crossing unverified unconfirmed chancy untrusty shifty adulterous fair-weather faithless