noun A person who is intentionally physically or emotionally cruel to others, especially to those whom they perceive as being vulnerable or of less power or privilege. .mw-parser-output .defdate{font-size:smaller}
A playground bully pushed a girl off the swing.
noun A noisy, blustering, tyrannical person, more insolent than courageous; one who is threatening and quarrelsome.
noun A hired thug.
noun A sex worker's minder.
noun Bully beef.
noun A brisk, dashing fellow.
noun The small scrum in the Eton College field game.
noun Any of various small freshwater or brackishwater fish of the family Eleotridae; sleeper gobies. A common bully, Gobiomorphus cotidianus