Английский разговорный словарь (основной) - vain

veɪn adj. 1 excessively proud or conceited, esp. about one's own attributes. 2 empty, trivial, unsubstantial (vain boasts; vain triumphs). 3 useless; followed by no good result (in the vain hope of dissuading them). øin vain without result or success (it was in vain that we protested). take a person's name in vain use it lightly or profanely. øøvainly adv. vainness n. [ME f. OF f. L vanus empty, without substance]