un
pronoun
one.
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un
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UN
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un-
un-a prefix meaning “not,” freely used as an English formative, giving negative or opposite force in adjectives and their derivative adverbs and nouns (unfair; unfairly; unfairness; unfelt; unseen; unfitting; unformed; unheard-of; un-get-at-able ), and less freely used in certain other nouns (unrest; unemployment ).
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'un
un
1 American
[uhn]
/ ən /
Or
'un
pronoun
Dialect.
UN
2
American
Or
U.N.
abbreviation
un-
3
American
un-
4
American
un-
1
British
prefix
-
denoting reversal of an action or state
uncover
untangle
-
denoting removal from, release, or deprivation
unharness
unman
unthrone
-
(intensifier)
unloose
UN
2
British
abbreviation
'un
3
British
/ ən /
pronoun
un-
4
British
prefix
Usage
This spelling is intended to reflect a dialectal or informal pronunciation
Synonym Usage
See in- 3.
Etymology
Origin of un-3
Middle English un-, on-, Old English; cognate with Dutch on-, Gothic, German un-, Old Norse ū-, ō-; akin to Latin in-, Greek an-, a-. See a- 6, an- 1, in- 3
Origin of un-4
Middle English, Old English un-, on-; cognate with Gothic and-, Dutch ont-, German ent-; akin to Latin ante, Greek antí; cf. ante-, anti-
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.
Los aficionados siguen teniendo un límite de 12 entradas para los Juegos Olímpicos y hasta 12 entradas para el fútbol, que no cuentan para el máximo general.
From Los Angeles Times • Apr. 24, 2026
París 2024 vendió unos 9,5 millones de entradas para los Juegos Olímpicos, pero utilizó un sistema de venta diferente al de LA28.
From Los Angeles Times • Apr. 24, 2026
La IA ya se ha entrelazado con la vida cotidiana, afirmó, y pidió a los asistentes que levantaran la mano si habían utilizado TSA PreCheck o un servicio de streaming.
From Los Angeles Times • Apr. 19, 2026
“Siempre es un honor ver a esos chicos”, dijo James.
From Los Angeles Times • Feb. 15, 2026
“Guantanamera. Guajira, guantanamera...Yo soy un hombre sincero, de donde crece la palma....”
From "The Epic Fail of Arturo Zamora" by Pablo Cartaya
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
