NASTY meaning : 1. bad or very unpleasant: 2. unkind: 3. dangerous or violent: . Learn more. There was a nasty period during the First World War when the family's allegiance was called into question - not least because one of the Schroders had been made a baron by the Kaiser. Nasty is an adjective used to describe something unpleasant, offensive, or harmful. Synonyms: Unpleasant, Mean , Harmful, etc. 7 meanings : 1. unpleasant, offensive, or repugnant 2. (of an experience, condition, etc) unpleasant, dangerous, or painful 3..... Click for more definitions.
