In a loose manner. / Not tightly. / Approximately. / Used to indicate an imprecise use of words; short for loosely speaking

The quality or fact of being free from rigidity, attachment or restraint; not tight, not firmly attached or taut. / A relaxed state regarding principles or accuracy. / Moral laxity; licentiousness.

(idiomatic) To deal with the minor consequences of a previous action; to tidy up, finish, or complete.

(idiomatic) Not incarcerated or in captivity; not under control. / (slang, archaic) Out on a spree, or in search of adventure.

Any of certain flowering plants of the genera Lythrum and Lysimachia, which are not closely related.

(slang) To be insane, irrational, or eccentric.

A semi-aquatic herbaceous plant, Lythrum salicaria, having long spikes of purple flowers, native to Eurasia, considered invasive in North America and New Zealand.

Alternative spelling of loose box

(chiefly Britain) A separate compartment of a building in which livestock are free to move about; especially a form of stable for horses.

simple past tense and past participle of loosen