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Definition of kiddo

kiddo

/ˈkɪd.oʊ/
kid · do
Plural:kiddos
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kiddo Lexical Profile

kiddo Game Scores & Validity

• noun

1

An informal, affectionate term of address for a child, a younger person, or a close friend.

Example

"Happy birthday, kiddo—I hope you have a wonderful day celebrating with your friends."

Synonyms
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Antonyms
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• Rhymes for kiddo

• Nearby Words

kidder
kiddie
kiddingly
kiddo
kiddy
kidglove
kidlike

Word Origin & Etymology

Coined in late 19th-century American English by adding the informal suffix '-o' to 'kid' (originally from Old Norse 'kið', meaning a young goat).

Cite this Entry

Wordmom. (2026). Definition of Kiddo. In Wordmom Dictionary. Retrieved Nov 1, 2026, from https://wordmom.com/dictionary/kiddo
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