1530, from Dutch boel (“lover, brother”), from Middle Dutch boel, boele (“brother, lover”), from Proto-Germanic *bō-lan- (compare Middle Low German bōle (“brother”), Middle High German buole (“brother, close relative, close relation”), German Buhle (“lover”)), diminutive of expressive *bō- (“brother, father”). More at boy.
bully (countable and uncountable; plural bullies)
- A person who is cruel to others, especially those who are weaker or have less power.
- I noticed you being a bully towards people with disabilities.
- A hired thug.
- A prostitute’s minder; a pimp.
- (uncountable) Bully beef.
person who is cruel to others
- Italian: bullo (it) m, spaccone (it) m, smargiasso (it) m, prepotente (it) m, arrogante (it) m
- Japanese: 苛め (ja) (いじめ, ijime), 苛めっ子 (ja) (いじめっこ, ijimekko)
- Macedonian: силеџија (mk) (silédžija) m, насилник (mk) (násilnik) m
- Portuguese: rufião (pt) m, rufia (pt) f, valentão (pt) m, valentona (pt) f, bruto (pt) m, bruta (pt) f, tirano (pt) m, tirana (pt) f, abusador (pt) m, abusadora (pt) f
- Romanian: tiran (ro) m
- Russian: задира (ru) (zadíra) m and f, забияка (ru) (zabijáka) m and f, громила (ru) (gromíla) m and f, хулиган (ru) (xuligán) m, тиран (ru) (tirán) m
- Scottish Gaelic: maoidhear (gd) m, burraidh (gd) m, pulaidh (gd) m
- Spanish: bravucón (es) m, abusón (es) m, matón (es), abusador (es) m, peleón (es) m, pendenciero (es) m, perdonavidas (es) m, matasiete (es) m
- Swedish: mobbare (sv) c
bully (third-person singular simple present bullies, present participle bullying, simple past and past participle bullied)
- (transitive) To intimidate (someone) as a bully.
- You shouldn't bully people for being gay.
- (transitive) To act aggressively towards.
- 2011 January 15, Sam Sheringham, “Chelsea 2 -03 Blackburn Rovers”, BBC:
- The Potters know their strengths and played to them perfectly here, out-muscling Bolton in midfield and bullying the visitors' back-line at every opportunity.
bully (comparative bullier, superlative bulliest)
- (US, slang) Very good; excellent.
- a bully horse
- (slang) Jovial and blustering; dashing.
- Bless thee, bully doctor.
Derived terms 
- (often followed by for) Well done!
- She's finally leaving her abusive husband — bully for her!