Definition of monkey wrench noun from the Oxford Advanced Learner's Dictionary


monkey wrench

BrE BrE//ˈmʌŋki rentʃ//
; NAmE NAmE//ˈmʌŋki rentʃ//
(British English also adjustable spanner)
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  • a tool that can be adjusted to hold and turn things of different widths compare spanner, wrench
  • Idioms
    throw a monkey wrench in/into something (also throw a wrench in/into something)
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    (North American English, informal) to do something to spoil somebody’s plans
    See the Oxford Advanced American Dictionary entry: monkey wrench

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