un

¹ American  

[uhn] / ən /

Or 'un

pronoun

Dialect.

1. one.

   young uns; He's a bad un.

---

UN ² American  

Or U.N.

abbreviation

1. United Nations.

---

un- ³ American  

1. 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 ).

---

un- ⁴ American  

1. a prefix freely used in English to form verbs expressing a reversal of some action or state, or removal, deprivation, release, etc. (unbend; uncork; unfasten , etc.), or to intensify the force of a verb already having such a meaning (unloose ).

---

un- ¹ British  

prefix

1. denoting reversal of an action or state

   uncover

   untangle

2. denoting removal from, release, or deprivation

   unharness

   unman

   unthrone

3. (intensifier)

   unloose

---

UN ² British  

abbreviation

1. United Nations

---

'un ³ British  

/ ən /

pronoun

1. a spelling of one

   that's a big 'un

---

un- ⁴ British  

prefix

1. (freely used with adjectives, participles, and their derivative adverbs and nouns: less frequently used with certain other nouns) not; contrary to; opposite of

   uncertain

   uncomplaining

   unemotionally

   untidiness

   unbelief

   unrest

   untruth

---

Usage

This spelling is intended to reflect a dialectal or informal pronunciation

Related Words

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; ante-, anti-

Example Sentences

A continuación, el Team Stripes venció al Team Stars por 42-40 con un triple de De’Aaron Fox al final del tiempo reglamentario.

From Los Angeles Times • Feb. 15, 2026

A sus 41 años y jugando su 23ª temporada, un récord, se le preguntó a James sobre su futuro, ya que su eventual retirada siempre parece ser motivo de curiosidad.

From Los Angeles Times • Feb. 15, 2026

McVay decidió arriesgarse, y Stafford terminó lanzando un pase a un Terrance Ferguson cubierto, el balón cayó incompleto y los Seahawks mantuvieron la posesión hasta los últimos 25 segundos.¡Suma los puntos!

From Los Angeles Times • Jan. 26, 2026

“Tuvimos nuestras oportunidades... un par de errores críticos que nos costaron caro... Estoy bastante aturdido”.

From Los Angeles Times • Jan. 26, 2026

“Son un buen equipo,” she said, pointing from me to Carmen.

From "The Epic Fail of Arturo Zamora" by Pablo Cartaya