Definition of old boy
1 often capitalized O&B, British : an alumnus especially of a boys' school
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
The old boy had some trouble getting up the stairs.
First Known Use of old boy
OLD BOY Defined for English Language Learners
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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Seen and Heard
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