faithful adj.
1 loyal
VERBS be | remain, stay soldiers who stayed faithful to the king
ADV. extremely, very He has been a very faithful friend to me. | absolutely, entirely, utterly
PREP. to He had remained entirely faithful to his wife.
2 accurate
VERBS be
ADV. remarkably, very | fairly, quite
PREP. to The film is quite faithful to the original novel.
You can also check other dicts: faithful (English, 中文解释 ), wordnet sense, Collins Definition