serve as a/(one's) substitute
serve as a/(one's) substitute
To take the place or fill the purpose of someone or something else. We created these wood pellets from repurposed sawdust to serve as more a ecologically friendly substitute for other fuel sources. This is Shawna, everyone. She's going to be serving as my substitute while I'm on sabbatical.
See also: serve, substitute
Farlex Dictionary of Idioms.
- serve as a/(one's) replacement
- substitute
- mongo
- get (one's) fill
- get one's fill
- fill
- fill (someone) full of lead
- fill full of lead
- fill someone full of lead
- eat (one's) fill