prefixes Definition

prefix
noun prefixes

1. grammar.
An element such as un-, pre-, non-, de-, etc which is added to the beginning of a word to create a new word. Compare affix, infix, suffix.
2. A title such as Mr, Dr, Ms, etc used before someone's name.

verb

1. To add something as an introduction.
2. grammar.
To attach something as a prefix to a word.
3. To add (a prefix) to something.

Etymology: 17c: pre- (sense b) + fix verb