FRUSTRATE Meaning of FRUSTRATE in English I . v. a. Defeat, disappoint, balk, foil, baffle, disconcert, circumvent, check, thwart, disappoint, bring to nought. II . a. Vain, useless, ineffectual, ~d, null, void, of no effect. Soule. Dictionary of English synonyms. Словарь английских синонимов. 2012