old boy

noun

Definition of old boy

  1. 1 often capitalized O&B, British :  an alumnus especially of a boys' school

  2. 2 :  a man who is a member of a long-standing and usually influential clique especially in a professional, business, or social sphere

Examples of old boy in a sentence

  1. The old boy had some trouble getting up the stairs.

1868

First Known Use of old boy

1868


OLD BOY Defined for English Language Learners

old boy

noun

Definition of old boy for English Language Learners

  • : a person who went to a respected or well-known private school for boys

  • : an old man

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