adj. 1
Not fixed in place tightly or firmly.
This wheelbarrow has a loose wheel.
adj. 2
Not held or packaged together.
You can buy apples in a pack, but they are cheaper loose.
v. 1
To unfasten, to loosen.
v. 2
To make less tight, to loosen.

Related words

Phrases: let loose loose woman break loose fast and loose on the loose cut one loose turn loose set loose
Is a kind of: portable

Forms

Past participle: loosed
e.g. loosed → released, liberated, detached, disengaged…

disjointed Tom's speech was convoluted and disjointed and was very hard to follow.
unconnected The possibility that the two events are unconnected is not worth considering.
untied Tom took off his jacket and untied his bow tie.
unfastened Tom unfastened his seatbelt and got out of the car.
relaxed Tom seems a lot more relaxed when Mary isn't here.
lax Better short and sweet, than long and lax.

Use in printed books, per decade from 1850 to 2019.

3 letters: lax¹
4 letters: free¹, open², full¹, easy², fire², wild¹, idle², undo², lank¹
5 letters: light¹, clear¹, shoot¹, relax², harsh¹, vague¹, slack¹, baggy², saggy, untie²
6 letters: casual³, sloppy², loosen², adrift², impure², detach², wanton², untied², unbind
7 letters: release², liberal³, deliver³, escaped², relaxed², flowing², obscene², unleash², diffuse², movable³, unbound², flaccid², inexact³, slacken²
8 letters: separate³, informal³, detached², careless², rambling², liberate³, slovenly³, unbuckle, unfasten, unchaste
9 letters: unsecured³, unbridled³, disengage³, libertine³, dissolute, desultory⁴
10 letters: incoherent⁴, indistinct³, disjointed³, disengaged³, unattached³, untethered, indiscreet³, licentious³, unfastened, unpackaged
11 letters: indifferent³, promiscuous³, unconnected⁴
12 letters: uncontrolled³, unrestrained³
13 letters: indeterminate⁵, unconstrained³

The small number after each word is its number of syllables (open² = 2 syllables).