- having no distinguishing marks or features.
- without any claim to distinction: an undistinguished performance.
- unnoticed; inconspicuous: He was an undistinguished part of the crowd.
- not separated or divided, as by sets or categories.
- not particularly good or badan undistinguished career
- without distinctionundistinguished features
adj.1590s, “not kept distinct,” from un- (1) “not” + distinguished. Meaning “not elevated above others” is attested from 1600.