Definitions
1.nounSomething nasty."Processed foods are full of aspartame and other nasties."
2.noun(preceded by "the") Sexual intercourse.
3.nounA video nasty.
4.adjectiveDirty, filthy.
5.adjectiveContemptible, unpleasant (of a person).
6.adjectiveObjectionable, unpleasant (of a thing); repellent, offensive.
7.adjectiveIndecent or offensive; obscene, lewd.
8.adjectiveSpiteful, unkind.
9.adjectiveAwkward, difficult to navigate; dangerous.
10.adjectiveGrave or dangerous (of an accident, illness etc.).
11.adjectiveFormidable, terrific; wicked.