1

prefix

verb pre·fix
Updated on: 5 Apr 2018

Definition of prefix

1 play \(ˌ)prē-ˈfiks\ : to fix or appoint beforehand
2 play \ˈprē-ˌfiks, prē-ˈfiks\
[partly from 2prefix]
: to place in front; especially : to add as a prefix
  • prefix a syllable to a word

Examples of prefix in a Sentence

  1. Prefix “un” to “do” to form the word “undo.”

  2. The cost of the item was prefixed by a dollar sign.

Origin and Etymology of prefix

Middle English, from Middle French prefixer, from Latin praefixus

Other Grammar and Linguistics Terms


2

prefix

noun pre·fix \ ˈprē-ˌfiks \

Definition of prefix

1 : an affix attached to the beginning of a word, base, or phrase and serving to produce a derivative word or an inflectional form — compare suffix
2 : a title used before a person's name

prefixal

play \ˈprē-ˌfik-səl, prē-ˈfik-\ adjective

Examples of prefix in a Sentence

  1. Add the prefix “re-” to form the words “retell” and “recall.”

Recent Examples of prefix from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'prefix.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of prefix

New Latin praefixum, from Latin, neuter of praefixus, past participle of praefigere to fasten before, from prae- + figere to fasten — more at fix

Other Grammar and Linguistics Terms


3

prefix

adjective pre·fix \ ˈprē-ˌfiks \

Definition of prefix

: characterized by placement of an operator before its operand or before its two operands if it is a binary operator — compare infix, postfix

First Known Use of prefix

1971


PREFIX Defined for English Language Learners

prefix

Definition of prefix for English Language Learners

  • : to add a letter, number, or symbol at the beginning of a word or number


prefix

Definition of prefix for English Language Learners

  • : a letter or group of letters that is added at the beginning of a word to change its meaning

  • : a title (such as “Mr.” or “Dr.”) that is used before a person's name


PREFIX Defined for Kids

prefix

noun pre·fix \ ˈprē-ˌfiks \

Definition of prefix for Students

: a letter or group of letters that comes at the beginning of a word and has its own meaning


Seen and Heard

What made you want to look up prefix? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

to speak or write verbosely and windily

Get Word of the Day daily email!

Test Your Vocabulary

Odd Habits and Quirks Quiz

  • image1926873504
  • Which of the following best describes an easily irritated person?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!