WordReference Random House Learner's Dictionary of American English © 2026
bub /bʌb/USA pronunciation
n. [countable* usually singular] Slang.
WordReference Random House Unabridged Dictionary of American English © 2026- Slang Terms(used as an often very impolite term of address):"Hey, bub, move it out of here,'' he yelled at the slow-moving car.
bub
(bub),USA pronunciation n. [Slang.]
- Slang Terms(used as an often insolent term of address) brother;
buddy.
- German Bub, short for Bube boy
- perh. 1830–40, American.
'bub' also found in these entries (note: many are not synonyms or translations):
bubba
- bubble
- bubble and squeak
- bubble bath
- bubble bowl
- bubble card
- bubble chamber
- bubble dance
- bubblehead
- bubble memory
- bubble pack
- bubbletop
- bubble wrap
- bubbly
- magnetic bubble
- soap bubble