Meaning : (of language) transparently clear. Easily understandable.
Example :
Writes in a limpid style.
Lucid directions.
A luculent oration.
Pellucid prose.
A crystal clear explanation.
A perspicuous argument.
Synonyms : crystal clear, limpid, luculent, pellucid, perspicuous
Meaning : Having a clear mind.
Example :
A lucid moment in his madness.
Meaning : Transmitting light. Able to be seen through with clarity.
Example :
The cold crystalline water of melted snow.
Crystal clear skies.
Could see the sand on the bottom of the limpid pool.
Lucid air.
A pellucid brook.
Transparent crystal.
Synonyms : crystal clear, crystalline, limpid, pellucid, transparent