Substitute
/sˈʌbstəˌtut/
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Definition
(verb) To use in place of something else, with the same function.
Sentence Examples
It's a word I'd like to find a substitute for.
It is impossible to substitute machines for people themselves.
CEFR Practice Quiz
If you don't have any fresh lemons, you can use bottled lemon juice as a ____ in the recipe today.