Correct option is A
The correct antonym of the given word is
(a) Praise.
Denounce: To publicly declare something or someone as wrong or evil. (आरोप लगाना, निंदा करना)
Example:
The leader denounced corruption in the government.
Praise: To express approval or admiration for something or someone. (प्रशंसा करना)
Example:
The teacher praised the student for his excellent performance.
Synonyms: condemn, censure, criticise, attack
Antonyms: praise, applaud, commend, compliment
Meanings of the given other options:
· (b) Relieve: To reduce pain or distress (राहत देना)
· (c) Criticise: To express disapproval (आलोचना करना)
· (d) Dainty: Delicate or small (नाज़ुक)