When Diana called for an international ban, seven months before she died, a Tory minister accused her of being a "loose cannon".
As for the wife, she is a loose cannon, willing to sacrifice the people close to her to get what she wants.
Churchill, on the contrary, they regarded with alarm, a loose cannon, a rogue elephant.
Such sensitive information in the hands of a loose cannon is understandably unnerving to those it might affect.
Cooper and Renner are solid as the loose cannon Richie and the upstanding Carmine, respectively.
While some would be afraid to hire such a loose cannon, others see raw talent.
Unaspected Mercury can make you a loose cannon in group settings, until Friday, when it opposes Chiron.
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+)