Correct option is D
The correct synonym of the given word is (d) Die.
PERISH: To perish means to die, especially in a sudden or untimely way. It often refers to death due to violence, accident, or disaster. (मर जाना)
Example: Thousands perished in the earthquake.
DIE: To cease to live; to pass away. It is a direct synonym of perish and both imply death. (मर जाना)
Example: Many plants die in extreme cold.
Synonyms: expire, pass away, succumb, croak
Antonyms: survive, endure, live, persist
Meanings of all the other given options:
· a) Toil: Work extremely hard (कठिन परिश्रम करना)
· b) Despair: Complete loss of hope (निराशा)
· c) Vacuum: A space entirely devoid of matter (रिक्त स्थान)