- clearness or lucidity as to perception or understanding; freedom from indistinctness or ambiguity.
- the state or quality of being clear or transparent to the eye; pellucidity: the clarity of pure water.
- clearness, as of expression
- clearness, as of water
n.c.1300, clarte “brightness,” from Old French clarté “clarity, brightness,” from Latin claritas “brightness, splendor,” also, of sounds, “clearness;” figuratively “celebrity, renown, fame,” from clarare “make clear,” from clarus “clear” (see clear (adj.)). Modern form is early 15c., perhaps a reborrowing from Latin. Meaning “clearness” is from 1610s.