What does loosen mean?
Loosen is a verb meaning to make something less tight, firm, secure, or restrictive. It is used for physical objects, such as loosening a knot, belt, or grip, and for abstract situations, such as loosening restrictions, control, or standards. The word can also be used without an object to describe becoming less tense or more relaxed, as in ‘her shoulders loosened.’ In everyday conversation, ‘loosen up’ often means to relax, become more informal, or stop being overly serious. Although ‘loosen’ is related in meaning to ‘relax’ and ‘slacken,’ it is especially appropriate when something is being made less tight or when rules and constraints are being reduced. The opposite is ‘tighten,’ which can refer both to securing something physically and to increasing restrictions.
verbTo make something less tight, secure, or firm. It can also mean to make rules, restrictions, or conditions less restrictive.
- To make something less tight or less firmly fixed.
- To make restrictions, conditions, or control less severe or restrictive.
- To become less tight or firm, or less tense and relaxed.
"The villagers loosened the ropes around the horses as the storm eased."
"He loosened the belt around his waist."
"The new policy will loosen restrictions on small businesses."
"Her shoulders loosened as she began to relax."
From tightening a knot to easing society's rules, ‘loosen’ describes making something less restrictive or less rigid.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Where does loosen come from?
The verb ‘loosen’ developed from the adjective ‘loose,’ meaning not tight or not firmly fixed. It was recorded in the Middle English period, following the Old English word ‘lēas,’ which had related meanings such as unfastened, unsecured, or free from obligation. The family also includes ‘loosely’ and ‘looseness,’ while the modern opposite ‘tighten’ was formed with the contrasting sense of making something firm or secure.
Related word forms
How loosen is actually used
The word is commonly transitive, as in ‘loosen the knot’ or ‘loosen restrictions,’ but it can also be intransitive, especially in phrases such as ‘loosen up,’ meaning to become more relaxed or less formal.