Meaning : Impossible or nearly impossible to see. Imperceptible by the eye.
Example :
The invisible man.
Invisible rays.
An invisible hinge.
Invisible mending.
Synonyms : unseeable
Meaning : Not prominent or readily noticeable.
Example :
He pushed the string through an inconspicuous hole.
The invisible man.
Synonyms : inconspicuous
Obvious to the eye or mind.
A tower conspicuous at a great distance.