- a crystal clear explanation.
- a lucid moment in his madness.
- a lucid thinker.
- a luculent oration.
- a pellucid brook.
- a perspicuous argument.
- could see the sand on the bottom of the limpid pool.
- crystal clear skies.
- lucid air.
- lucid directions.
- pellucid prose.
- she was more coherent than she had been just after the accident.
- the cold crystalline water of melted snow.
- transparent crystal.
- writes in a limpid style.