Select the most appropriate ANTONYM of the given word in the context of the passage.
Substitute
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e. Equivalent.
Given word: Substitute
Meaning in context: A replacement or alternative used in place of something else.
Correct Antonym: Equivalent
Meaning: Something equal in value, function, or meaning to something else — not just a replacement, but something that is on par with the original.
Why 'Equivalent' is the best antonym here: A substitute can be inferior or temporary, but an equivalent suggests equal status or effectiveness.
Meaning of the other options:
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Perdurable: Long-lasting or permanent — not opposite of “substitute” in this context.
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Rival: A competitor — irrelevant to the concept of replacement.
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Surrogate: A synonym of substitute — not an antonym.
Hence, the chosen option will be correct.