Added 9 October 2026 diminished /dɪˈmɪnɪʃt/ adjective Categories: Describing WordsUncommon Words adjective ! Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about diminished at Wordnik → Where our words come from → Impaired by diminution. (of an organ or body part) diminished in size or strength as a result of disease or injury or lack of use. partial paralysis resulted in an atrophied left arm (of musical intervals) reduction by a semitone of any perfect or minor musical interval. a diminished fifth Related Words: lessenedreducedweakenedimpairedsmallwastedatrophiedbelittleddecreasedvitiatedmitigateddecrease Back to today's word