unfailing Antonyms

changed greatly uncertain slippery reckless questionable mutable maggoty irresponsible irregular inconstant impermanent unreliable unsound untrue not perfect at Death's door undependable unpredictable unsure fault-prone error-prone barfy untrustworthy weak frail flimsy flighty dizzy diseased discursive decrepit debilitated crook changeable capricious bedridden apathetic doubtful dubious erring flawed fickle feverish feeble fallible faithless failing exhaustible erratic errant