unassuming
adj. B2 Upper Intermediate US //ˌənəˈsumɪŋ// UK //ʌnɐsˈuːmɪŋ// unas·sum·ing
adj. not trying to look important or special. You use this to describe someone who is modest and does not show off their talents or success.
adj. modest in appearance or manner; not seeking to impress or attract attention. Often used to describe a person's demeanor or a building's design.
He is a very talented musician, but he has an unassuming personality.
The scientist lived in an unassuming cottage on the edge of the village, far from the university's main campus.
Despite his groundbreaking contributions to the field, the professor maintained an unassuming presence, preferring to walk through the halls in plain clothes rather than wear formal academic regalia.
From un- + assuming.