inconspicuous

Từ điển Oxford Advanced Learner 8th

in·con·spicu·ous BrE [ˌɪnkənˈspɪkjuəs] NAmE [ˌɪnkənˈspɪkjuəs] adjective
not attracting attention; not easy to notice
•She tried to look as inconspicuous as possible.
Opp: ↑conspicuous
Derived Word: ↑inconspicuously

Word Origin:
[inconspicuous inconspicuously] early 17th cent. (in the sense ‘invisible, indiscernible’): from Latin inconspicuus (from in- ‘not’ + conspicuus ‘clearly visible’) + ↑-ous.

Example Bank:
•These small birds have a dull brown coat which makes them inconspicuous.