Select the most appropriate ANTONYM of the given word.

Courtesy

Correct option is A

The correct antonym of the given word is (a) Crudeness.
Courtesy: the act of being polite and considerate in behavior or speech. (विनम्रता / शिष्टाचार)
Example: He treated the guests with utmost courtesy and respect.
Crudeness: the quality of being rude, lacking refinement or tact. (असभ्यता / अभद्रता)
Example: His crudeness during the meeting shocked everyone.
Synonyms: politeness, civility, respect, decorum.
Antonyms: rudeness, impoliteness, discourtesy, crudeness.
Meanings of the other options:
· (b) Modulate: to adjust or control something (अनुकूलित करना)
· (c) Decline: to refuse or deteriorate (गिरावट / मना करना)
· (d) Generosity: the quality of being kind and giving (उदारता)