Dictionary entry

Frustrate

Webster's Dictionary 1913

Frus″trate (?), a. [L. frustratus, p. p. of frustrare, frustrari, to deceive, frustrate, fr. frustra in vain, witout effect, in erorr, prob. for frudtra and akin to fraus, E. fraud.] Vain; ineffectual; useless; unprofitable; null; voil; nugatory; of no effect. “Our frustrate search.” Shak.