throw a spanner in the works
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throw a spanner in(to) the works
To disrupt, foil, or cause problems to a plan, activity, or project. Primarily heard in UK. We had everything in line for the party, but having the caterer cancel on us at the last minute really threw a spanner in the works! It'll really throw a spanner into the works if the board decides not to increase our funding for this project.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
throw a spanner in the worksor
put a spanner in the worksBRITISH
COMMON If someone or something throws a spanner in the works or puts a spanner in the works, they cause problems which prevent something from happening in the way that it was planned. If they're suddenly going to change the arrangement, it's going to throw a spanner in the works. It is clear Britain could have put a spanner in the works of the contract. Note: You can also just talk about a spanner in the works, meaning `a problem that prevents something from happening the way that it was planned'. Another possible spanner in the works is the weather, which may prevent us from travelling on the 18th. Note: The usual American expression is throw a wrench into the works or throw a monkey wrench into the works.
Collins COBUILD Idioms Dictionary, 3rd ed. © HarperCollins Publishers 2012
put/throw a ˈspanner in the works(British English) (American English throw a (ˈmonkey) ˈwrench in the works) (informal) spoil or prevent the success of somebody’s plan, idea, etc: Let’s get this finished before the boss comes along and throws a spanner in the works.
A spanner or wrench is a metal tool used for fastening things tightly. The works are the moving parts of a machine.
Farlex Partner Idioms Dictionary © Farlex 2017
- put a (monkey) wrench in(to) the works
- put a spanner in(to) the works
- put/throw a spanner in the works
- throw a monkey wrench in(to) (something)
- throw a monkey wrench into
- throw a spanner in(to) the works
- throw a wrench into the works
- throw a (monkey) wrench in(to) the works
- throw a monkey wrench in the works
- put a spoke in someone's wheel