- The definition of a buddy is a close friend or a pal.
- An example of a buddy is your faithful dog.
- An example of your buddy is your friend with whom you go and get a beer.
Two buddies gardening together.
- a close friend; companion; comrade; esp., a comrade in arms
- either of two persons paired off in a partnership arrangement () for mutual help and protection, as in combat or in children's camp activities
Origin of buddy; from uncertain or unknown; perhaps
- A good friend; a comrade.
- A partner, especially one of a pair or team associated under the buddy system.
- Friend or comrade; chum. Used as a form of familiar address, especially for a man or boy: Watch it, buddy.
intransitive verbbud·died, bud·dy·ing, bud·dies
Origin of buddyProbably alteration of brother.
(third-person singular simple present buddies, present participle buddying, simple past and past participle buddied)
- To assign a buddy, or partner.
- Colloquial butty (1802), meaning companion, also the form of an older dialect term meaning workmate, associated with coal mining. Itself believed derived from booty fellow (1530), a partner with whom one shares booty or loot. 
- Sometimes referred to in North American dictionaries as an alteration of brother.