lucid vs crystal clear

lucid and crystal clear both are adjectives.

Word	Noun	Adjective	Verb	Adverb
lucid	No	Yes	No	No
crystal clear	No	Yes	No	No

As adjectives, lucid and crystal clear are synonyms defined as:

lucid and crystal clear: (of language) transparently clear; easily understandable

Other synonyms of lucid include limpid, luculent, pellucid, perspicuous.

As adjectives, lucid and crystal clear are synonyms defined as:

lucid and crystal clear: transmitting light; able to be seen through with clarity

Other synonyms of lucid include crystalline, limpid, pellucid, transparent.

lucid (adjective)	crystal clear (adjective)
(of language) transparently clear; easily understandable	(of language) transparently clear; easily understandable
transmitting light; able to be seen through with clarity	transmitting light; able to be seen through with clarity
capable of thinking and expressing yourself in a clear and consistent manner
having a clear mind