Synset

impossible or nearly impossible to see; imperceptible by the eye
<adj.all> freq. cnt.: 5 freq. cnt.: 5

sample sentences

"the invisible man"
"invisible rays"
"an invisible hinge"
"invisible mending"

lexical pointers

antonym

derivationally related form

invisibleness invisibility

semantic pointers

also see

imperceptible, unperceivable covert

similar to

camouflaged hidden, out of sight, concealed infrared lightless nonvisual occult ultraviolet undetectable unseen