571 apistos {ap'-is-tos}

TDNT - 6:174,849; 形容词

AV - that believe not 6, unbelieving 5, faithless 4, unbeliever 4,
     infidel 2, thing incredible 1, which believe not 1; 23

1) 不可置信, 不可思议的 (#徒 26:8|)
2) 没有信心的, 不信的