D defs.my
Entry 1 sense Webster, 1913

Frustration

/frəs-trāsh'-ən/ · Frus·tra·tion · IPA /fɹʌsˈtɹeɪ.ʃən/
01 n. The act of frustrating; disappointment; defeat; as, the frustration of one's designs.
  1. 1.
    The act of frustrating; disappointment; defeat; as, the frustration of one's designs.