What does loose mean?
Loose means not tightly fastened, fixed, or fitting closely, as when a door hangs loose or clothing has a loose fit. It can also describe something lacking precision, discipline, or effective control: a loose interpretation allows an exception or ambiguity that a strict interpretation would not. The word frequently suggests that something has not been secured or has become less firmly held, though this can be accidental, temporary, or intentional. In phrases such as “break loose” and “set loose,” it evokes release from confinement or restraint. Loose is distinct from the similar-sounding word lose: a loose rope may slip away, while a person loses a key because they no longer possess it. The adjective is common in formal and informal registers, whereas its verb and noun uses are less frequent. Its usefulness lies in covering both physical looseness and the figurative absence of firm control, making it applicable to objects, rules, language, behavior, and institutions.
Not tightly fastened, fixed, or fitting closely; lacking precision, firm control, or effective enforcement.
"He replaced the loose cover and tightened the screws around the panel."
The figurative senses commonly imply insufficient control, rigor, or precision.
To release from restraint or make less tightly fastened.
"The crew prepared to loose the lines as the ship cleared the dock."
The verb is less common than the adjective and is especially associated with nautical and formal contexts.
In a loose manner; without firm restraint or control.
"The team played loose after falling behind in the second half."
This use is relatively uncommon outside informal and sports contexts.
A cricket delivery that is not controlled by the batter.
"The bowler sent down a loose that the batter missed."
The noun is chiefly used in cricket commentary and is uncommon elsewhere.
The plural is uncommon and is chiefly used for cricket deliveries.
"He bowled two looses during the final over."
Loose and lose look like opposites, yet they are linguistic relatives whose spellings grew apart centuries ago.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of loose
The adjective comes from Old English lōs, meaning “not fast or secure,” which passed through Proto-Germanic *lausaz from an Indo-European root associated with loosening. It is related to English lose and loss, as well as cognates such as German lose and Danish løs. Although loose and lose now have very different meanings, their spellings and shared Germanic ancestry have long made them easy to confuse.
Related word forms
How loose is actually used
Loose is used in both formal and informal English. Its figurative uses often suggest inadequate control, precision, or enforcement; in those contexts it may carry a critical or disapproving tone.
Easily confused with loose
Loose means not tightly fastened or firmly controlled, whereas lose means to fail to keep, win, or recover something.