Definition of monkey wrench
- threw a monkey wrench into the peace negotiations
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'monkey wrench.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
: a wrench that can be adjusted to grip or turn things of different sizes
What made you want to look up monkey wrench? Please tell us where you read or heard it (including the quote, if possible).
Confusing Words—A Quiz