UN Definition

un
abbreviation
United Nations.
Webster's New World
prefix
Not.
Unhappy.
American Heritage
Opposite of; contrary to.
Unrest.
American Heritage
To reverse or undo the result of a specified action.
Unbind.
American Heritage
To deprive of or remove a specified thing.
Unfrock.
American Heritage
To release, free, or remove from.
Unyoke.
American Heritage
affix
Not, lack of, the opposite of.
Unconcern, unreason, unwonted.
Webster's New World
Back; the reverse or removal of.
Webster's New World
noun

(dialectal) One.

Wiktionary
Synonyms:
pronoun

(colloquial) One (a thing).

Give me one of those round 'uns.
Wiktionary

(colloquial, facetious, chiefly UK) One (a person).

We've got a clever 'un here!
Wiktionary

Other Word Forms of UN

Noun

Singular:
UN
Plural:
Uns

Origin of UN

  • Middle English from Old English on- alteration (influenced by un- not) of ond-, and-, an- against, opposing ant- in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

  • Middle English from Old English ne in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

  • Representing non-standard pronunciation of one.

    From Wiktionary

  • From Latin ūnus (“one”)

    From Wiktionary