step into the breach
If you step into the breach, you do someone else's work when they are unable to do it:
Gail's sudden illness meant that Kathy had to step into the breach.
Thesaurus: synonyms and related words
Replacing and exchanging
- alternate
- alternatively
- bargain sth away
- change over
- change places idiom
- fill
- name
- part exchange
- pinch-hit
- pre-empt
- proxy
- rep
- represent
- reserve
- sit
- succeed
- succession
- supersede
- supplant
- swap
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