Meaning of “loose” - Learner’s Dictionary

loose

adjective uk us /luːs/
NOT FIXED

B2 not firmly fixed:

There were some loose wires hanging out of the wall.
One of my buttons is loose.
CLOTHES

B1 large and not fitting tightly:

a loose dress/sweater
FREE

An animal that is loose is free to move around:

Two lions escaped and are still loose.
NOT EXACT

not exact:

It's only a loose translation of the poem.
loosely adverb

The film is based very loosely (= not exactly) on the novel.

See also

(Definition of “loose” from the Cambridge Learner’s Dictionary © Cambridge University Press)