Select the most appropriate ANTONYM of the given word.
Wax

Correct option is A

The correct antonym of the given word is (a) Wane.
Wax: To increase gradually in size, number, strength, or intensity. (बढ़ना)
Example: His influence continues to wax with time.
Wane: To decrease gradually or decline. (घटना/कम होना)
Example: The moon began to wane after reaching full brightness.
Synonyms of Wax: grow, rise, expand, increase.
Antonyms of Wax: wane, decline, fade, reduce.
Meanings of all the other options:
· (b) Mourn: To express deep sorrow (शोक मनाना)
· (c) Error: A mistake or inaccuracy (ग़लती)
· (d) Insolent: Showing rude or arrogant behavior (उद्धत)