Synonyms for invisible

Adjective

1. invisible (vs. visible), unseeable, camouflaged, concealed, hidden, out of sight, infrared, lightless, ultraviolet, undetectable, unseen, nonvisual, occult, imperceptible#1, unperceivable, covert

usage: impossible or nearly impossible to see; imperceptible by the eye; "the invisible man"; "invisible rays"; "an invisible hinge"; "invisible mending"

2. inconspicuous (vs. conspicuous), invisible, obscure, unnoticeable

usage: not prominent or readily noticeable; "he pushed the string through an inconspicuous hole"; "the invisible man"