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unfold

verbnounverbattested in dialogue

  • United Kingdom//ʌnˈfəʊld//
  • United States//ʌnˈfoʊld//

To undo a folding.

verb

  1. 1

    To undo a folding.

    to unfold a map; to unfold a tablecloth; She unpacks the new dress and unfolds it carefully.

    Unfold thy forehead gathered into frowns.

    Meanwhile Nanny Broome was recovering from her initial panic and seemed anxious to make up for any kudos she might have lost, by exerting her personality to the utmost. She took the policeman's helmet and placed it on a chair, and unfolded his tunic to shake it and fold it up again for him.

  2. 2

    To become unfolded.

    The curtains unfolded to reveal the stage.

  3. 3

    To turn out; to happen; to develop.

    Events unfolded in an unexpected way.

    Memento unfolds over 22 scenes—or, more accurately, 22 strands of time, the main strand (in color) moving backward in increments, and another strand (in black and white) going forward, though the two overlap profoundly.

    The protests in Brazil are unfolding just as its long and heralded economic boom may be coming to an end.

  4. 4

    To lay open to view or contemplation; to bring out in all the details, or by successive development; to reveal.

    to unfold one's designs; to unfold the principles of a science

    Pity me not, but lend thy serious hearing To what I shall unfold.

    Unfold the passion of my love.

  5. 5

    To reassemble a line of text that was split across multiple lines.

Etymology

From Middle English unfolden, from Old English unfealdan (“to unfold”), equivalent to un- + fold.

noun

  1. 1

    In functional programming, a kind of higher-order function that is the opposite of a fold.

verb

  1. 1

    To release from a fold or pen.

    to unfold sheep

Etymology

Etymology tree Proto-Indo-European *h₂ent- Proto-Indo-European *-s Proto-Indo-European *h₂éntsder. Proto-Germanic *anda- Proto-West Germanic *anda- Old English and- Old English on- Middle English on- English un- English fold English unfold From un- + fold (“to confine into a fold or pen”).

Forms

plural
unfolds
past tense
unfolded
past participle
unfolded
present participle
unfolding
third person singular
unfolds
The neighbouring pagesAlphabetical order follows the rules of the language, not byte values: an accent decides only between two otherwise identical words, and Spanish files Ñ as a letter of its own.

Lexical content from Wiktionary, under CC BY-SA 4.0 · Source entry · Data version 2026-08-23

Rank among the words of the OpenSubtitles 2018 corpus — film and television subtitles, so spoken rather than written usage (CC BY-SA 3.0).