noun
Meaning 1
Something that disrupts smooth operation or functioning.
Definition source: English Wiktionary via Wiktextract
Usage: UK, idiomatic
Examples
- The kids' involvement was unfortunately more of a spanner in the works than a helpful contribution toward Daddy's progress on the task, but he gamely pretended to be thankful anyway.
Meaning relationships
Synonyms: wrench in the works, monkey wrench in the works
Antonyms: none provided