English Reference

Word

loose

US/ˈɫus/

UK/lˈuːs/

Definitions

01not tight

A2 · Elementary

adj. not fitting closely to your body.

adj. not fitting closely or tightly; having a generous cut or significant space between the object and the surface.

“He prefers wearing loose shirts when the weather is hot and humid.”

“The athlete opted for loose clothing during the warm-up to ensure a full range of motion before the race began.”

Pitfall

I don't want to loose my keys.

I don't want to lose my keys.

Do not confuse 'loose' (not tight) with 'lose' (to misplace something).

Synonyms

Antonyms

02not fixed firmly

B1 · Intermediate

adj. not held in place securely; likely to fall or move.

adj. not securely attached or fastened in place; liable to become detached.

“Be careful on the stairs because one of the wooden boards is loose.”

“The mechanic discovered a loose bolt in the engine housing that had been causing the unusual vibration during high-speed travel.”

Antonyms

03not exact

B2 · Upper Intermediate

adj. not precise or strictly accurate.

adj. lacking precision, exactness, or strict adherence to a set of rules or facts.

“The movie is a loose translation of a very famous historical novel.”

“The journalist provided a loose summary of the closed-door negotiations, focusing on the general atmosphere rather than specific policy agreements.”

Antonyms

04free or roaming

B1 · Intermediate

adj. not tied up or kept in a cage.

adj. not confined, imprisoned, or tethered; free from physical restraint.

“The neighbor's dog is loose again and running around the park.”

“Authorities warned residents to stay indoors after reports that several exotic animals were loose following the storm damage at the sanctuary.”

Synonyms

freeunconfinedescaped

Antonyms

05to release

C1 · Advanced Literary

v. to let something go or set it free from a trap or grip.

v. to set free from restraints or to release a projectile.

“The archer took a deep breath and loosed the arrow at the target.”

“The commander loosed his cavalry upon the retreating flank, hoping to end the engagement before nightfall.”

Usage

Often used with 'on' or 'upon' when releasing a force or feeling.

Antonyms

06rugby play

C2 · Proficiency Uncountable noun Sports Technical · British English

n. the part of a rugby game where the ball is moving and not in a set position.

n. the phase of play in rugby where the ball is in open play rather than in a scrum or line-out.

“He is a very fast player who performs best in the loose.”

“The flanker's ability to dominate in the loose proved decisive during the final twenty minutes of the match.”

Synonyms

open play

Antonyms

set piece

Collocations

Common phrases and expressions where native English speakers use the word “loose” in context.

Verb

01. break loose

“The horse managed to break loose from the stable and ran into the fields.”

verb + adj

02. come loose

“One of the screws on the door handle has come loose and needs tightening.”

verb + adj

03. shake something loose

“The vibration of the engine eventually shook the bolt loose.”

verb + noun + adj

Adjective

04. loose change

“He reached into his pocket and pulled out some loose change for the parking meter.”

adj + noun

05. loose clothing

“It is recommended to wear loose clothing when exercising in hot weather.”

adj + noun

06. loose connection

“The screen keeps flickering because there is a loose connection in the cable.”

adj + noun

Noun

07. loose ends

“We need to tie up a few loose ends before we can finalize the contract.”

adj + noun

Preposition

08. on the loose

“The police warned the public that a dangerous criminal was on the loose.”

prep + noun

Real-World Examples

“By the end of the week, my swimsuit hung loose at the shoulders.”
Aeon 21 Aug 2026
“With high temperatures, the ice can melt and rocks break loose, causing rockfalls.”
Phys.org 20 Aug 2026

Etymology

Etymology tree Proto-Germanic *lausaz Old Norse laussbor. Middle English loos English loose From Middle English loos, los, lous, from Old Norse lauss, from Proto-Germanic lausaz, whence also -less, leasing; from Proto-Indo-European lewh₁- (“to untie, set free, separate”), whence also lyo-, -lysis, via Ancient Greek.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

Word family

ADJECTIVE

loose(B2)

Idioms

Domain

Sports

This entry

Exam level
CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.B2 FirstIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.5.5–6.5TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 4.0–4.572–94TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.785–944
Frequency
Common
Level
B2 · Upper IntermediateOxford
Updated

QR code

englishreference.com/q/loose

English Reference