Correct option is B
The correct antonym of the given word is (b)
rude.
Courteous: Polite, respectful, or considerate in manner. (शिष्ट, विनम्र)
Example: The staff was courteous and professional.
Rude: Not polite; offensive or impolite in manner. (अशिष्ट)
Example: His rude comments upset everyone in the meeting.
Synonyms: polite, respectful, well-mannered, civil.
Antonyms: rude, impolite, discourteous, ill-mannered.
Meanings of other options:
· (a)
Modest: Humble and not boastful. (विनम्र)
· (c)
Humble: Not proud; respectful. (नम्र)
· (d)
Polite: Having or showing behavior that is respectful. (सभ्य)