FRUSTRATE Copy link • FRUSTRATE 1. v. [Vid: To DEFEAT = frustrate.] Thus this undertaking of theirs was frustrated, ita frustra id inceptum iis fuit: frustrated, vanus: irritus. For “to frustrate a will;” Vid: “to make INVALID. 2. adj., vanus: irrftus: futilis (that can not be supported): inutilis (of no use).