Definitions

1. adjective

free from intoxication or influence of intoxicants; not drunk or under the influence of alcohol or drugs

“After a long night of partying, she woke up feeling sober.”

2. noun

a period of time during which a person is not drinking alcohol or taking drugs

“She’s been on a sober streak for a month now.”

3. verb

to abstain from drinking or taking intoxicants

“He’s trying to sober up after that wild night.”