1. A car that is old and unreliable
   "the fenders had fallen off that old clunker";
   - bus [informal], jalopy [informal], heap [informal], flivver [N. Amer, informal], banger [Brit, informal], beater [N. Amer, informal], hooptie [US, informal]
    
2. A complete failure
   "The highly anticipated movie turned out to be a clunker at the box office";
   - flop [informal], bust [informal], fizzle, clinker [N. Amer, informal], epic fail [informal], dud, washout
    
3. An event that fails badly or is totally ineffectual
   "the first experiment was a real clunker";
   - turkey [informal], bomb [informal], dud, flop [informal]

Derived forms: clunkers

Type of: auto [informal], autocar [archaic], automobile [N. Amer], car, dysphemism, failure, loser, motor [Brit, informal], motorcar, no-hoper [informal], nonstarter, unsuccessful person, wheel [informal], whip [US, informal]

Encyclopedia: Clunker