Correct option is C
The correct synonym of the given word is (c) Mighty.
Colossal: Extremely large, huge, or enormous in size, extent, or degree.
(Hindi meaning): बहुत बड़ा, विशाल
Example: The project required a colossal amount of funding.
Mighty: Possessing great size, strength, or importance.
(Hindi meaning): बलशाली, शक्तिशाली या विशाल
Example: The mighty elephant roamed the jungle freely.
Synonyms: Huge, gigantic, massive, enormous, monumental.
Antonyms: Tiny, small, miniature, puny.
Meanings of other options:
· (a)
Irrelevant: Not related or connected (असंबंधित)
· (b)
Authentic: Genuine, true (प्रामाणिक)
· (d)
Appropriate: Suitable or proper (उचित)