lucid
She gave a lucid explanation of the complex theory.
Her explanation was clear and easy to understand, despite the theory's difficulty.
Clear and easily understood, especially in thought or expression
The professor's lecture was so lucid that even beginners grasped the concepts.
The professor explained the topic in a way that was easy for everyone to understand.
Her writing is always lucid and free of unnecessary jargon.
Her writing is clear and avoids confusing technical terms.
Often used to describe speech, writing, or thought processes that are coherent and straightforward.
(of a person) Thinking or expressing oneself clearly; rational and sane
After the fever broke, the patient was lucid and able to recognize his family.
Once the fever subsided, the patient regained clear thinking and could identify his relatives.
In medical contexts, describes a patient's mental clarity, often after a period of confusion or unconsciousness.
Collocations
Pro Tip
Avoid redundancy
Don't pair 'lucid' with 'clear' (e.g., 'lucid and clear explanation')—choose one. 'Lucid' already implies clarity.
Gold Rule
Context matters
Use 'lucid' for mental clarity (e.g., 'lucid patient') or clear expression (e.g., 'lucid prose'). Avoid it for physical brightness (use 'bright' or 'luminous').
Word Origin
From Latin *lucidus* (bright, clear), derived from *lux* (light). Entered English in the 16th century with the sense of 'bright' or 'shining,' later extending to 'clear in thought or expression.'
Usage Notes
Commonly used in academic, medical, and formal writing. Avoid overusing it in casual conversation where simpler words like 'clear' or 'easy to understand' would suffice.