WordWeb Online

1. Being impressive due to extreme attitude or style
    
2. Characteristic of an enemy or one eager to fight
   "badass acts against another country";
   - aggressive, belligerent, chippy [N. Amer, informal]
    
3. Annoyed and irritable
   - crabbed, crabby, cross, fussy, grouchy [informal], grumpy, bad-tempered, ill-tempered, arsey [Brit, informal]
    
4. Brilliant; very good
   - socko [N. Amer, informal], righteous [US, slang], fab [Brit, informal], crucial [slang], rad [N. Amer, slang], radical [N. Amer, slang], nang [Brit, slang], phat [slang], legit [US, slang], awesomesauce [informal], amazeballs [informal], beaut [Austral, NZ, informal], lit [US, slang], storming [Brit, informal], blinding [Brit, slang], stonking [Brit, informal], brill [Brit, informal], wicked [slang], cushty [Brit, informal], ace [informal], def [slang], magic [Brit, slang], smokin' [slang], smoking [slang], super [informal], sick [N. Amer, slang]

1. A mean or belligerent person
    
2. A person considered impressive due to extreme attitudes, behavior or appearance
    
3. Someone who is aggressive, belligerent or bad-tempered

Derived forms: badasses

See also: A1 [informal], ace [informal], A-one [informal], awesome [informal], beezer [UK, archaic], brilliant, crack [informal], excellent, fantabulous [informal], first-class, first-rate, hostile, ill-natured, lush [Brit, informal], mean [informal], outstanding, ripping [Brit, informal], splendid, stellar [informal], super, tiptop, top-drawer, topnotch [informal], top-notch [informal], tops [informal]

Type of: individual, meanie, meany, mortal, person, somebody, someone, soul, unkind person

Encyclopedia: Badass