sober

Short definition from Wiktionary

Adjective

1. 1
   Not drunk; not intoxicated.
2. 2
   Not under the influence of any recreational drug.
3. 3
   Not given to excessive drinking of alcohol.
4. 4
   Moderate; realistic; serious; not playful; not passionate; cool; self-controlled.
5. 5
   Dull; not bright or colorful.
6. 6
   Subdued; solemn; grave.
7. 7
   Poor; feeble.

Verb

1. 1
   To make or become sober.
2. 2
   To overcome or lose a state of intoxication.
3. 3
   To moderate one's feelings; to accept a disappointing reality after losing one's ability to believe in a fantastic goal.

Proper noun

1. 1
   A surname.