infidel 0571 # apistos {ap'-is-tos}; from 1 (as a negative particle) and 4103; (actively) disbelieving, i.e. without Christian faith (specially, a heathen); (passively) untrustworthy (person), or incredible (thing): -- that believeth not, faithless, incredible thing, {infidel}, unbeliever(-ing).[ql