- The definition of nasty is something that is very dirty, unpleasant or offensive.
- An example of something nasty is the bottom of a dumpster.
- An example of something nasty is a person using bad words.
The contents of a trash container can get pretty nasty.
nasty definition by Webster's New World
- very dirty, filthy
- offensive in taste or smell; nauseating
- morally offensive; indecent
- very unpleasant; objectionable: nasty weather
- mean; malicious; ill-humored: a nasty temper
- very harmful or troublesome: a nasty bruise
Origin: Middle English ; from uncertain or unknown; perhaps or akin to Dutch nestig, dirty
nasty definition by American Heritage Dictionary
adjective nas·ti·er, nas·ti·est
- a. Disgustingly dirty.b. Physically repellent.
- Morally offensive; indecent. See Synonyms at offensive.
- Malicious; spiteful: “Will he say nasty things at my funeral?” (Ezra Pound).
- Very unpleasant or annoying: nasty weather; a nasty trick.
- Painful or dangerous; grave: a nasty accident.
- Exasperatingly difficult to solve or handle: a nasty puzzle; a nasty problem.
Origin: Middle English nasti, possibly alteration of Old French nastre, bad, short for villenastre : vilein, bad; see villain + -astre, pejorative suff. (from Latin -aster).
- nasˈti·ly adverb
- nasˈti·ness noun
Origin: Greek nastos, pressed down; see nastic + -y2.