ENGLISH
REFERENCE

loose

v.
B2 Upper Intermediate Oxford US //ˈɫus// UK //lˈuːs// loose Archaic General-service Slang

v. not tight or not firmly fixed in place. You use this to describe clothes that are too big or a tooth that is about to fall out.

v. not firmly or tightly fixed in place; detached or able to be detached. Often used to describe physical fit or structural stability.


SIMPLE

I prefer wearing loose clothes when it is hot outside.

CONTEXTUAL

The mechanic noticed a loose bolt on the engine that was causing a loud rattling sound.

COMPLEX

After weeks of hiking through the rugged terrain, his boots felt loose and the soles began to separate from the leather upper.

Synonyms
Antonyms
Origin

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.

Usage

Commonly used as a predicative adjective after 'be' or 'become', or as an attributive adjective before a noun.

Pitfall

I do not want to loose my keysI do not want to lose my keysLearners frequently confuse the adjective 'loose' (not tight) with the verb 'lose' (to misplace or fail to win).

Idioms16 entries

© 2026 English Reference