nic

Usage

• pernicious

  Something that is pernicious is very harmful or evil, often in a way that is hidden or not quickly noticed.

• internecine

  An internecine conflict or quarrel takes place between people who belong to the same group, organization, country, etc.

• nuisance

  (law) a broad legal concept including anything that disturbs the reasonable use of your property or endangers life and health or is offensive