Synonyms:
inconspicuous, invisible
Meaning: not prominent or readily noticeable; "he pushed the string through an inconspicuous hole"; "the invisible man"
Usage examples
He had an inconspicuous part in the capture.
He was so anxious to be inconspicuous that he appeared only half his real size.
While she trudged home--a pleasant, inconspicuous, fluffy-haired young woman, undramatic as a field daisy--a cataract of protest poured through her.
A black line between the almost black beak and the dark-blue head would be inconspicuous at the best, and quite naturally would escape a glimpse so hasty as mine had been.