Correct option is C
The correct synonym of the given word is Unbelievable.
Incredible: Something that is extremely difficult to believe or extraordinarily impressive. (हिंदीअर्थ: अविश्वसनीय, चौंकानेवाला)
Example: The magician performed an incredible trick that left the audience amazed.
Unbelievable: Not able to be believed; extraordinary or hard to accept as true. (हिंदीअर्थ: अविश्वसनीय)
Example: The speed at which technology is advancing is simply unbelievable.
Synonyms: Unbelievable, astonishing, extraordinary.
Antonyms: Believable, ordinary, realistic.
Meanings of other given options:
- Realistic: Having a practical idea of what is achievable. (हिंदीअर्थ: यथार्थवादी)
- Unachievable: Something that cannot be accomplished. (हिंदीअर्थ: अप्राप्य)
- Reasonable: Fair and sensible. (हिंदीअर्थ: उचित)