buddy
1 Americanverb (used without object)
verb phrase
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buddy up to to become friendly with or curry the favor of.
He was buddying up to the political bosses.
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buddy up
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to become friendly; be on friendly or intimate terms.
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to work closely together.
to buddy up with a student from another high school.
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noun
noun
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Also called (as a term of address): bud. an informal word for friend
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a volunteer who visits and gives help and support to a person suffering from AIDS
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a volunteer who gives help and support to a person who has become disabled but is returning to work
verb
Usage
What does buddy mean? Buddy is most commonly used as an informal word for a friend. Buddy is often used as a form of address (as in Hey, buddy, I haven’t seen you in a while!) or a term of endearment (an affectionate way of referring to someone). It is sometimes shortened to bud. Buddy is primarily used in the United States. Example: We don’t get together as much as we used to, but whenever I hang out with my buddies from college it’s still like old times.
Etymology
Origin of buddy
1840–50, perhaps reduced form of brother
Explanation
A buddy is a good friend. Your best buddy in elementary school may still be a good buddy when you graduate from high school. If you love to hang out with a certain friend, she's your buddy. You could also call her your pal or your chum. Sometimes when kids are new in school, a teacher will ask another student to be their buddy — to help them feel comfortable and welcome. The word first appeared in the mid-19th century in the US, either as slang for brother or from the British butty, or "companion."
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Related: My golf buddy dropped me when I didn’t make him my financial adviser.
From MarketWatch • May 28, 2026
Hannah Waddingham and Octavia Spencer in a European-set, action-packed buddy series?
From Los Angeles Times • May 13, 2026
You and your AI buddy would share inside jokes, light teasing, “remember when” stories of things you did in the past and fantasies or plans for the future.
From The Wall Street Journal • May 3, 2026
On Thursday, the White House withdrew the nomination of Kennedy’s buddy, Casey Means, as surgeon general.
From Salon • May 1, 2026
“Layla, this is my buddy Specialist Adams. Fred.”
From "Internment" by Samira Ahmed
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.