n. 25B6; noun
an oath of allegiance : VOW, pledge, promise, avowal, affirmation, word (of honour), bond, guarantee; formal troth.
he uttered a stream of oaths : SWEAR WORD, profanity, expletive, four-letter word, dirty word, obscenity, vulgarity, curse, malediction; informal cuss (word); formal imprecation.