The term for one who is without fault and so impossible to criticize is ______________

Correct option is B

The correct one-word for the given group of words is irreproachable.

Irreproachable means "without fault or flaw, and thus beyond criticism." This word perfectly describes someone who is impossible to criticize due to their faultless behavior or character.

Hindi Meaning: निर्दोष, आलोचना से परे
Example: Her conduct at the event was irreproachable, leaving everyone impressed by her grace and poise.

Meanings of the other given options:

• Admirable: प्रशंसनीय (deserving respect or approval).
• Meritorious: प्रशंसा के योग्य (deserving reward or praise).
• Illustrious: प्रसिद्ध, महान (well-known, respected, and admired for achievements).