From Longman Dictionary of Contemporary Englishlucidlu‧cid /ˈluːsɪd/ adjective 1 CLEAR/EASY TO UNDERSTANDexpressed in a way that is clear and easy to understand You must write in a clear and lucid style.2 INTELLIGENTable to understand and think clearly, used especially about someone who is not always able to do this In her more lucid moments the old lady would talk about her past. —lucidly adverb He was lucidly aware of political realities. —lucidity /luːˈsɪdəti/ noun [uncountable]
Examples from the Corpus
lucid• Reach out: what is not included in this lucid air?• a lucid analysis of the situation• At the moment, Peter is lucid and quite talkative, but his condition is becoming worse.• Miranda Seymour's lucid biography arrives as the general reader's guide to Mary Shelley's ascent to academic cult status.• Though small and frail, he was a powerful and lucid debater.• Churchland's Matter and Consciousness is an equally lucid introduction to the philosophy of mind.• If the doctor thinks the patient isn't sufficiently lucid or mature, then the decision should be ignored.• After finishing, she became lucid, recognized Jung, and greeted him.• You have such a lucid style.Origin lucid (1500-1600) Latin lucidus 