[{"Bold_text": "adjective", "List Items": ["physically filthy; disgustingly unclean:a nasty pigsty of a room.Synonyms: grimy , foul , dirty Antonyms: unstained , spotless , immaculate , clean", "offensive to taste or smell; nauseating :This ointment is really nasty—couldn't they make it smell less vile?Synonyms: ugly , catty , bitchy , malevolent , malicious , mean , repellent , repulsive , sickening", "offensive ; objectionable :a nasty habit.", "vicious, spiteful, or unkind:a nasty dog;a nasty rumor.", "bad or hard to deal with, encounter, undergo, etc.; dangerous; serious:a nasty accident.a nasty cut;a nasty accident.", "very unpleasant or disagreeable:nasty weather.Synonyms: inclement , stormy", "morally filthy; obscene ; indecent :a nasty word.Synonyms: smutty", "Slang.formidable:a young pitcher with a nasty slider.the raw, nasty power of this engine;a young pitcher with a nasty slider."]}, {"Bold_text": "noun", "List Items": ["Informal.a nasty person or thing."]}, {"Bold_text": null, "List Items": ["a combining form with the meaning “nastic pressure,” of the kind or in the direction specified by the initial element:hyponasty."]}]