limpid, lucid, luculent, pellucid, crystal clear, perspicuous(adj)

(of language) transparently clear; easily understandable

"writes in a limpid style"; "lucid directions"; "a luculent oration"- Robert Burton; "pellucid prose"; "a crystal clear explanation"; "a perspicuous argument"

lucid(adj)

having a clear mind

"a lucid moment in his madness"

coherent, logical, lucid(adj)

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

"a lucid thinker"; "she was more coherent than she had been just after the accident"

crystalline, crystal clear, limpid, lucid, pellucid, transparent(adj)

transmitting light; able to be seen through with clarity

"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"

lucid(Adjective)

clear; easily understood

lucid(Adjective)

mentally rational; sane

lucid(Adjective)

bright, luminous, translucent or transparent

Lucid(noun)

shining; bright; resplendent; as, the lucid orbs of heaven

Lucid(noun)

clear; transparent

Lucid(noun)

presenting a clear view; easily understood; clear

Lucid(noun)

bright with the radiance of intellect; not darkened or confused by delirium or madness; marked by the regular operations of reason; as, a lucid interval