Added 9 October 2026 frustrated /fɹʌˈstɹeɪ.tɪd/ adjective Categories: Describing WordsUncommon Words adjective ! Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about frustrated at Wordnik → Where our words come from → Disappointingly unsuccessful. disappointed expectations and thwarted ambitions Related Words: thwarteddiscourageddisappointedbaffleddefeatedunsuccessfulfoiledbalkeddiscomfiteddesperatedistresseddisillusioned Back to today's word