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Adjective: nasty (nastier,nastiest)  nãs-tee
  1. Offensive or even (of persons) malicious
    "in a nasty mood"; "a nasty accident"; "Will he say nasty things at my funeral?";
    - awful
  2. Exasperatingly difficult to handle or circumvent
    "a nasty problem";
    - tight
  3. Characterized by obscenity
    "had a nasty mouth";
    - filthy, foul, smutty
  4. Disgustingly dirty; filled or smeared with offensive matter
    "a nasty pigsty of a room";
    - filthy, foul, cruddy [informal]

Derived forms: nastiest, nastier

See also: cruddy [informal], difficult, dirty, filthy, grotty [Brit, informal], hard, hateful, lousy [informal], mean, nastiness, soiled, unclean, unpleasant

Antonym: nice

Encyclopedia: Nasty, brutish, and short