lucid

(noun, adjective)

adjective

1. (of language) transparently clear; easily understandable

- lucid directions

- pellucid prose

Similar word(s): clear, limpid, luculent, pellucid, perspicuous

2. having a clear mind

- a lucid moment in his madness

Similar word(s): sane

3. capable of thinking and expressing yourself in a clear and consistent manner

- a lucid thinker

Similar word(s): rational, coherent, logical

4. transmitting light; able to be seen through with clarity

- lucid air

- a pellucid brook

Similar word(s): clear, crystalline, limpid, pellucid, transparent

noun

1. A lucid dream.