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Definitions

prefix

[pree-fiks, pree-fiks, pree-fiks] / ˈpri fɪks, ˈpri fɪks, priˈfɪks /
NOUN
an addition
Synonyms


NOUN
a designation
Synonyms


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

That prefix would also have to remind the AI to obey the laws of physics with wording like: “gravity and inertia respected—mass has real weight, correct contact shadows, no floating props.”

From The Wall Street Journal ● May 21, 2026

The name, a play on the prefix in the region and Trump’s names, started as a joke.

From Salon ● Apr. 30, 2026

Sharks had been swimming in the culture before that, to be sure, often with the prefix “man-eating” appended, though men eat sharks too, and way more often — so who’s the real apex predator?

From Los Angeles Times ● Jul. 3, 2025

Anila told me that she had given all the girls saved by the midwives the prefix “Kosi” before their name, a homage to the Kosi river in Bihar.

From BBC ● Sep. 10, 2024

It combined the Greek prefix eu—“good”—with genesis: “good in stock, hereditarily endowed with noble qualities.”

From "The Gene" by Siddhartha Mukherjee

The Paris and Geneva families settled their dispute in 2018, agreeing to add prefixes or additional names in marketing.

From The Wall Street Journal ● Apr. 30, 2026

She closely reads passages from their textbooks, breaks apart prefixes and suffixes and identifies root words.

From Los Angeles Times ● Aug. 14, 2024

To boost comprehension, students learn about prefixes, root words and suffixes — for example that “bene” means good or “audi” means hear.

From New York Times ● Dec. 25, 2022

Now, the booming growth of the data sphere has prompted the governors of the metric system to agree on new prefixes beyond that magnitude, to describe the outrageously big and small.

From Scientific American ● Nov. 23, 2022

Pupils are required to unite the prefixes and suffixes with the radicals, thus forming the English derivatives, which may be given either orally or in writing.

From New Word-Analysis by William Swinton

Basic Care has a large Amazon logo right at the top, Stone and Beam notes that its products are “exclusively on Amazon,” and Rivet’s product names are prefixed with “Amazon Brand.”

From The Verge ● Nov. 30, 2021

Other Lamonts married descendants of the Plymouth Puritan William Bradford, Ned’s grandfather prefixed by nine “greats.”

From Salon ● Nov. 28, 2018

On a Mac, hidden files and folders are prefixed with "." which the operating system places before A in alphabetical order.

From BBC ● Feb. 15, 2016

This being high school, the selection of prefixed identities on offer is constrictively narrow and closely policed by powerful and malevolent forces.

From Slate ● Mar. 21, 2014

When prefixed to the name of an office, ex- denotes that the person formerly held the office named: as, ex-mayor, the former mayor.

From New Word-Analysis by William Swinton

The ubiquity of “Design” has rendered itself in many forms, prefixing and suffixing subjects including graphic, product, industrial, computer, systems, architecture, community, environments, molecules, and more.

From Forbes ● Oct. 10, 2012

Ever since Hollywood started prefixing adaptations of the Bard's work with "William Shakespeare's", authorial provenance has inflicted some unsightly vandalism on film titles.

From The Guardian ● May 8, 2010

In fact, any game may be termed a rig, racket, suit, slum, etc. by prefixing thereto the particular branch of depredation or fraud in question.

From Time Magazine Archive

The plural is in general formed by prefixing ama, and dropping in some cases the first syllable; as, indoda, a man; amadoda, men; ihashi, a horse; amahaski, horses.

From Sporting Scenes amongst the Kaffirs of South Africa by A. W. (Alfred Wilks) Drayson

Teach them never to speak of grown people without prefixing "Mr."

From Social Life or, The Manners and Customs of Polite Society by Maud C. Cooke


Vocabulary lists containing prefix

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