unroll.
To straighten something that has been rolled, twisted or curled.
Meaning & usage
To straighten something that has been rolled, twisted or curled.
Unroll your sleeping bag and spread it on the floor of the tent.
To emerge, be revealed or become apparent; to unfold.
We will have to see how the events unroll.
To replace (a loop in a program) with a repetitive sequence of the individual instructions that the loop would carry out, sometimes used as an optimization.
Where this word comes from
Etymology tree English un- Proto-Indo-European *Hreth₂- Proto-Indo-European *Hróth₂eh₂der. Proto-Italic *rotā Latin rota Proto-Indo-European *-lós Proto-Indo-European *-elós Proto-Italic *-elos Latin -ulus Latin rotulader. Latin rotulāre Old French roelerbor. Middle English rollen English roll English unroll From un- + roll.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.