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English definition of “substitute”

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substitute

noun [C]
 
 
/ˈsʌbstɪtjuːt/
something different or new that is used instead of another thing: (as) a substitute for sth We are looking at the possibility of using foreign production as a substitute for exports to foreign markets.cheap/good/poor substitutes Cheaper substitutes displaced the product from the world market. egg/fat/meat substitutes Early warning of a layoff is no substitute for a job.
WORKPLACE someone who takes the place of another person or does their job for a period of time: a substitute for sb Fixed-term contract workers and agency workers are not always direct substitutes for one another.
there's no substitute for sth/doing sth nothing else is as good as the stated thing or action: In this industry, there's no substitute for experience.
(Definition of substitute noun from the Cambridge Business English Dictionary © Cambridge University Press)
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