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un-

1
  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-

2
  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

3
Or 'un

[uhn]

pronoun

Dialect.
  1. one.

    young uns; He's a bad un.

UN

4
Or U.N.

abbreviation

  1. United Nations.

un-

1

prefix

  1. denoting reversal of an action or state

    uncover

    untangle

  2. denoting removal from, release, or deprivation

    unharness

    unman

    unthrone

  3. (intensifier)

    unloose

“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

UN

2

abbreviation

  1. United Nations

“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

'un

3

/ ən /

pronoun

  1. a spelling of one

    that's a big 'un

“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

un-

4

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

“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Usage

This spelling is intended to reflect a dialectal or informal pronunciation
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Word History and Origins

Origin of un-1

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-2

Middle English, Old English un-, on-; cognate with Gothic and-, Dutch ont-, German ent-; akin to Latin ante, Greek antí; ante-, anti-
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Word History and Origins

Origin of un-1

from Old English un-, on-; related to Gothic and-, German ent-, Latin ante

Origin of un-2

from Old English on-, un-; related to Gothic on-, German un-, Latin in-
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Synonym Study

See in- 3.
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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.

Joining both the EU and Nato are part of Ukraine's constitution and another of Khrystyna Hayovyshyn's red lines at the UN on Thursday was: "Nor will we tolerate any infringement on our sovereignty including our sovereign right to choose the alliances we want to join."

Read more on BBC

"This is in no way close to the ambition we need on mitigation. We are disappointed with the text currently on the table," Hoekstra said in a statement to AFP after host Brazil released a new text proposal on the final day of the UN climate summit.

Read more on Barron's

More than 800 fighters from those two groups have been disarmed since July, according to the UN peacekeeping mission MINUSCA.

Read more on Barron's

However, UN Secretary General António Guterres has warned that "overshooting" 1.5C is now inevitable, and the limit was breached in 2024 for a whole year for the first time.

Read more on BBC

From the war's outbreak, Amdjarass airport in eastern Chad has played a key role in keeping the RSF well-stocked, acting as a hub for cargo planes from the UAE flying over the border to the paramilitaries' fiefdom in the Darfur region, according to UN reports.

Read more on Barron's

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