• (now chiefly US) Dirty, filthy.
  • Indecent or offensive; obscene, lewd. [from 17th c.]
  • (chiefly Britain) Grave or dangerous (of an accident, illness etc.). [from 19th c.]
  • Objectionable, unpleasant (of a thing); repellent, offensive. [from 16th c.]
  • (chiefly Britain) Awkward, difficult to navigate; dangerous. [from 19th c.]
  • Contemptible, unpleasant (of a person). [from 15th c.]
  • Spiteful, unkind. [from 19th c.]
  • (slang, chiefly US) Formidable, terrific; wicked. [from 20th c.]


  • (informal) Something nasty.

    "This video game involves flying through a maze zapping various nasties."

  • "Processed foods are full of aspartame and other nasties."

Leave a Reply

Your email address will not be published.