not easily or quickly noticed or seen, or not attracting attention不显眼的,不引人注目的
This type of bird is very inconspicuous because of its dull feathers.这种鸟因其羽毛灰暗而毫不起眼。
At parties, he always stands in a corner and tries to look inconspicuous.在聚会上他总是站在角落里,尽量不惹人注意。