a person whose reckless behavior endangers the efforts or welfare of others.
a person or thing that appears to be beyond control and is potentially a source of unintentional damage
A person who is quite likely to cause damage; a wildly irresponsible person: Haig is a loose cannon on a pitching deck/ His detractors call him a loose cannon who makes recommendations in public before consulting (1977+)
One who is uncontrolled and therefore a serious and unpredictable danger. For example, We can’t trust her to talk to the press—she’s a loose cannon. This metaphoric expression alludes to cannon mounted on the deck of a sailing ship, which if dislodged during combat or a storm could cause serious damage to both vessel and crew by sliding about. Its figurative use dates from the first half of the 1900s.
- Loose change
noun 1. money in the form of coins suitable for small expenditures noun phrase Money at hand and to spare; available money: I wanted to help, but didn’t have any loose change (1827+)
- Loose cover
noun 1. a fitted but easily removable cloth cover for a chair, sofa, etc US and Canadian name slipcover
[loos] /lus/ adjective, looser, loosest. 1. free or released from fastening or attachment: a loose end. 2. free from anything that binds or restrains; unfettered: loose cats prowling around in alleyways at night. 3. uncombined, as a chemical element. 4. not bound together: to wear one’s hair loose. 5. not put up in a package […]
[loos-fit-ing] /ˈlusˈfɪt ɪŋ/ adjective 1. (of a garment) fitting loosely; not following the contours of the body closely.