Definition, Meaning & Synonyms

loose-cannon

noun
/ˈluːs ˈkæn.ən/
Definition
A person whose unpredictable actions or decisions may cause trouble or harm.
Examples
  • The new manager is a loose cannon; you never know what decision she might make next.
  • His loose-cannon behavior at the party put everyone on edge.
  • While he has great ideas, his loose-cannon personality often derails his plans.
Meaning
Someone who acts without thinking about the consequences, often creating chaos or danger.
Synonyms
  • reckless person
  • wild card
  • unpredictable individual