Definition, Meaning & Synonyms

prefix

Noun
/ˈpriː.fɪks/
Definition
A prefix is a group of letters placed before the root of a word to modify its meaning.
Examples
  • Un- is a common prefix meaning ‘not’, as in ‘unhappy’.
  • Re- means ‘again’, as seen in ‘redo’.
  • The prefix ‘pre-‘ means ‘before’, like in ‘preview’.
Meaning
A prefix alters the meaning of the base word to which it is attached, indicating something additional or different.
Synonyms
  • Affix
  • Modifier