adj ·Rare ·Advanced level

Definitions

Adjective

1. 1
   Not perceivable; imperceptible. not-comparable

Adjective

1. 1
   impossible or difficult to perceive by the mind or senses wordnet

Synonyms

All synonyms

behind the scenescamouflagedconcealeddisguisedhiddenimpalpable

Etymology

From un- + perceivable.