Choose the alternative which can replace the highlighted word without changing the meaning of the sentence.
I tried to persuade him to change his mind, but he remained adamant.

Correct option is C

The word "adamant" means refusing to change one’s mind or being inflexible. The synonym "stubborn" best replaces the word while retaining the meaning of the sentence.
· Adamant: Refusing to be persuaded or change one’s opinion.
· Hindi Meaning: दृढ़, अटल
· Example: She was adamant about not letting anyone borrow her car.
· Stubborn: Showing determination not to change one's attitude or position, even in the face of good arguments or persuasion.
· Hindi Meaning: जिद्दी
· Example: The child was too stubborn to apologize for his mistake.
Synonyms of Adamant: Stubborn, inflexible, unyielding, resolute.
Antonyms of Adamant: Flexible, yielding, lenient, agreeable.
Meanings of the other options:
· Fixed: Firmly in place or position, but lacks the nuance of personal inflexibility.
· Hindi Meaning: स्थिर
· Example: The mirror is fixed to the wall.
· Defensive: Ready to defend oneself or one’s opinions but does not imply refusal to change.
· Hindi Meaning: रक्षात्मक
· Example: He became defensive when asked about his mistake.
· Aggressive: Inclined toward confrontation or attack; not relevant to the context.
· Hindi Meaning: आक्रामक
· Example: The dog became aggressive when approached.