Definition of nigga in US English:

nigga

noun

offensive, informal
  • respelling of nigger (typically representing urban African-American speech)

Usage

The distinct pronunciation and spelling of nigga are sometimes deliberately adopted to distinguish it from nigger, especially when used by black people in a neutral sense. However, the word remains strongly racially offensive, especially when used by a nonblack person. See nigger

Pronunciation

nigga

/ˈniɡə//ˈnɪɡə/