loosen.
To make loose.
Meaning & usage
To make loose.
to loosen a knot; to loosen one's grip / hold on something
After the Thanksgiving meal, Bill loosened his belt.
To become loose.
I noticed that my seatbelt had gradually loosened during the journey.
To disengage (a device that restrains).
To become unfastened or undone.
To free from restraint; to set at liberty.
To relieve (the bowels) from constipation; to promote defecation.
To create a breach or rift between (two parties).
To sail away (from the shore).
Where this word comes from
Etymology tree Proto-Indo-European *lewh₁- Proto-Indo-European *lewHs-der. Proto-Germanic *leusaną Proto-Germanic *lausaz Old Norse laussbor. Middle English loos English loose English -en English loosen From loose + -en.
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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.