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sober

adj. · v.
US //ˈsoʊbɝ// UK //sˈəʊbɐ// sober
  1. 1 not drunk (adj.)
    B1 Intermediate

    not affected by alcohol or drugs.

    not intoxicated by alcohol or under the influence of recreational drugs.

    Example

    He decided to stay sober so he could drive his friends home safely.

    Example

    The witness provided a remarkably clear account of the accident, having remained entirely sober throughout the evening's festivities.

  2. 2 serious and sensible (adj.)
    B2 Upper Intermediate

    serious, calm, and sensible in your thinking.

    serious, sensible, and solemn in character or manner; showing self-control.

    Example

    After the accident, they had a sober discussion about safety rules.

    Example

    The CEO gave a sober assessment of the company's financial situation, avoiding any optimistic language that might mislead the board.

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  1. 3 plain or dull (adj.)
    C1 Advanced Formal

    plain and not bright in colour.

    subdued or muted in colour or tone; lacking brightness or ornamentation.

    Example

    She wore a sober grey suit for the job interview.

    Example

    The office was decorated in sober tones of brown and navy, creating a professional if somewhat uninspiring atmosphere.

  2. 4 to become less drunk (v.)
    B2 Upper Intermediate

    to stop feeling the effects of alcohol, often used with 'up'.

    to become sober after a period of intoxication; frequently functions as a phrasal verb with 'up'.

    Example

    A walk in the cold air helped him sober up after the party.

    Example

    It took several hours for the suspect to sober up enough to provide a coherent statement to the investigators.

    • intoxicate
Origin

Inherited from Middle English sober, from Old French sobre, from Latin sōbrius, from se- (“without”) + ebrius (“intoxicated”), from Proto-Indo-European *h₁egʷʰ- (“drink”). In the sense "not drunk," displaced native undrunken, from Old English undruncen.

Idioms1 entry

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