Correct option is B
The correct antonym of the given word is (b) Expand.
• Given word – Diminish:
Diminish means to make or become smaller, weaker, or less in amount or importance.
(Hindi meaning: कम करना / घट जाना)
Example: The value of the property may diminish over time.
• Correct answer word – Expand:
Expand means to increase in size, amount, importance, or scope. It is the opposite of diminish.
(Hindi meaning: फैलना / बढ़ना)
Example: The company plans to expand its business next year.
• Synonyms of Diminish: lessen, reduce, decrease, contract.
• Antonyms of Diminish: expand, increase, enlarge, grow.
Meanings of all the other given options:
• Lessen – To reduce or make less (कम करना)
• Contract – To become smaller or shrink (सिकुड़ना)
• Reduce – To make something smaller in amount or degree (घटाना)
So the correct answer is (b)