undistinguishedpast participle Functions as a past-participle adjective derived from the verb "distinguish" with negative prefix.
The restaurant's undistinguished decor did not match the quality of its food.
Le décor banal du restaurant ne correspondait pas à la qualité de sa cuisine.
The figures were undistinguished against the dark background.
Les silhouettes étaient indistinctes sur le fond sombre.
undistinguishpast participle Past participle form “undistinguished” is used as a lexicalised qualitative adjective.
sans distinctionSoutenu : qui n’a rien de remarquable, ordinaire. Despite his undistinguished appearance, he was a brilliant scholar.
Malgré son apparence sans distinction, il était un brillant savant.