Meaning of “clear” - Learner’s Dictionary

clear

adjective uk us /klɪər/
UNDERSTAND
HEAR/SEE

A2 easy to hear, read, or see:

These photos are very clear.
Can we make the sound any clearer?
NO DOUBT

not possible to doubt:

The evidence against him was clear.
[ + (that) ] It was clear that Leif was angry.
Ella made it clear that she didn't like James.
CERTAIN [ never before noun ]

B1 certain about something:

Are you clear about how to get there?
[ + question word ] I'm not very clear why she phoned.
NOT BLOCKED

not covered or blocked by anything:

a clear road
a clear desk
WITHOUT CLOUDS

B1 A clear sky does not have any clouds.

TRANSPARENT

A2 easy to see through:

clear water
clear glass
→ See also the coast is clear , crystal clear

(Definition of “clear adjective” from the Cambridge Learner’s Dictionary © Cambridge University Press)