Synonyms of unseeable

Adjective

1. invisible (vs. visible), unseeable, camouflaged, concealed, hidden, out of sight, infrared, lightless, nonvisual, occult, ultraviolet, undetectable, unseeyn, 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"