n. The state, habit, or character of being sober.n. Moderation in general conduct or character; avoidance of excess or extremes.n. Reasonableness; saneness; soundness: as, sobriety of judgment.n. Modest or quiet demeanor; composure; sedateness; dignity; gravity; staidness.n. Synonyms and Abstinence, Temperance, etc. See abstemiousness.n. and Soberness, moderation, moderateness, regularity, steadiness, quietness.