Definition of Old boy

1. Noun. A familiar term of address for a man.

Exact synonyms: Old Man
Generic synonyms: Adult Male, Man

2. Noun. A vivacious elderly man.

3. Noun. A former male pupil of a school.
Generic synonyms: Alum, Alumna, Alumnus, Grad, Graduate

Definition of Old boy

1. Noun. (chiefly British) An alumnus, especially of a public school. ¹

2. Noun. (U.K.) Affectionate term of address for a man. ¹

3. Noun. A former member of a group ¹

¹ Source:

Lexicographical Neighbors of Old Boy

old-time country
old age
old age pension
old as the hills
old bag
old ball
old bean
old boy (current term)
old boy network
old boys' club
old chap
old chestnut
old codger
old college try
old country
old days
old fashioned
old flame
old flames

Literary usage of Old boy

Below you will find example usage of this term as found in modern and/or classical literature:

1. Slang and Its Analogues Past and Present: A Dictionary, Historical and by John Stephen Farmer, William Ernest Henley (1902)
"Never mind, old boy, replied the Captain; we'll get the other side of him yet. 1871. ... Are you going to have a wet, old boy ? one familiarly remarked. ..."

2. The Medical Clinics of North America by Michael C. Fiore, Stephen S. Entman, Charles B. Rush (1922)
"DIABETES OF FIVE YEARS' DURATION IN A TEN-YEAR-old boy 1. Deaths Following Sudden Changes in Diet.—Repeatedly your attention has been called to the ..."

3. Toda Grammar and Texts by Murray Barnson Emeneau (1984)
"That old woman took both saris and put them away in a large cloth-covered basket, and making this boy into a three-months-old boy she seated him on her lap. ..."

4. The Delinquent Child and the Home by Sophonisba Preston Breckinridge, Edith Abbott (1912)
"... colored boy. in court once; placed on probation. (43) Fifteen-year-old boy. nationality unknown, in court twice; both times was placed on probation. ..."

5. Side-lights on English Society: Sketches from Life, Social & Satirical by Eustace Clare Grenville Murray (1883)
"THE WICKED old boy. I WOULD rather write of good old boys than of bad; ... He is a Wicked old boy, and no mistake, who dyes his hair and keeps a glass ..."

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