lucid

Synonyms: apprehensible clear clear-cut comprehendible comprehensible crystal clear distinct explicit fathomable graspable intelligible knowable limpid luminous pellucid plain translucent transparent transpicuous unambiguous unblurred understandable

Antonyms: clouded obscure unclear vague

Synonyms: beaming bright effulgent gleaming incandescent lambent luminous lustrous radiant refulgent resplendent

Antonyms: cloudy dark gloomy murky shadowy

Synonyms: crystalline diaphanous gauzy glassy limpid obvious pellucid pure sheer translucent transpicuous unblurred

Antonyms: foggy muddied unclear

Synonyms: all there compos mentis cool got head together in right mind normal rational reasonable right sane sober sound together

Antonyms: confused puzzled unclear unreasonable