sober

Synonyms: abstaining abstemious abstinent ascetic calm clear-headed cold sober continent controlled dry moderate nonindulgent not drunk on the wagon restrained sedate self-possessed serious steady temperate took the pledge

Antonyms: drunk inebriated

Synonyms: abnegating abstaining clear-headed cold collected composed constrained cool dark disciplined dispassionate down-to-earth drab earnest eschewing forgoing grave hard-boiled imperturbable inhibited levelheaded low-key lucid no-nonsense pacific plain practical quiet rational realistic reasonable reserved restrained sedate serene serious severe soft solemn somber sound staid steady subdued toned down unexcited unimpassioned unruffled

Antonyms: excited immoderate irrational