loose cannon

/lus ˌkænən/
IPA guide

Other forms: loose cannons

Definitions of loose cannon
  1. noun
    a person who is expected to perform a particular task but who is out of control and dangerous
    see moresee less
    type of:
    individual, mortal, person, somebody, someone, soul
    a human being
Cite this entry
Style:
MLA
  • MLA
  • APA
  • Chicago

Copy citation
DISCLAIMER: These example sentences appear in various news sources and books to reflect the usage of the word ‘loose cannon'. Views expressed in the examples do not represent the opinion of Vocabulary.com or its editors. Send us feedback
Word Family