verb · 8 senses · updated from the 2026-07-25 local source snapshot
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
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Received-Pronunciation:/(ˌ)ʌnˈluːs/
Southern-England:Recorded audio is listed in the source snapshot.
General-American:/ˌʌnˈlus/
General-American:/ˌən-/
rhymes with -uːs
1
verb
Meaning 1
To loosen or undo (something that entangles, fastens, holds, or interlocks).
Definition source: English Wiktionary via Wiktextract
Usage: also, figuratively, transitive
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: disengage, loose, unfasten, untie
Antonyms: none provided
2
verb
Meaning 2
To relax or slacken (something that clasps or grips, such as the arms or hands).
Definition source: English Wiktionary via Wiktextract
Usage: also, figuratively, transitive
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: let go, unclasp
Antonyms: none provided
3
verb
Meaning 3
To free (someone or something) from a constraint; (figuratively) to release (something which has been suppressed, such as emotions or objectionable things).
Definition source: English Wiktionary via Wiktextract
Usage: transitive
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: liberate, set free, unleash, vent
Antonyms: none provided
4
verb
Meaning 4
To remove or take off (especially something undesirable).
Definition source: English Wiktionary via Wiktextract
Usage: archaic, transitive
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: detach
Antonyms: none provided
5
verb
Meaning 5
To become loose or come off.
Definition source: English Wiktionary via Wiktextract
Usage: intransitive
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: detach
Antonyms: none provided
6
verb
Meaning 6
To free from a constraint.
Definition source: English Wiktionary via Wiktextract
Usage: also, figuratively, intransitive
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
7
verb
Meaning 7
loosen the ties of
Definition source: Princeton WordNet 3.0
Examples
unloose your sneakers
Meaning relationships
Synonyms: unloosen
Antonyms: none provided
Broader terms: untie, unbrace, unlace
8
verb
Meaning 8
grant freedom to; free from confinement
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Narrower terms: unspell, unchain, bail, run, bail out, parole
History
Etymology
From Middle English unlosen (“to loosen, untie; to uncover, unwrap; to extend; to free, liberate, release; to disengage; to detach oneself; to make (someone) weak; to abolish; to destroy”) [and other forms], from un- (intensifying prefix) + losen (“to free, let loose, release; to loosen, untie; to come undone or unfastened; to open; to relax; to remove; to melt; to resolve; to break up, disintegrate; to detach, disengage; to destroy; to say, tell; to absolve of sin”) (from los (“free; loose, untied; exempt; absolved of sin; inattentive, undisciplined; of the tongue: lacking restraint, unbridled; limp, weak; wavering”), from Old Norse lauss (“loose”), ultimately from Proto-Indo-European *lewH- (“to separate; to set free; to untie”)). The English word is analysable as un- (intensifying prefix) + loose. Compare Middle English unlesen (“to loosen, release”), from Old English onlīesan (“to release, deliver, liberate, unloose”).