In the sentence, 'The CEO’s behaviour was impeccable', what is the ANTONYM of the word 'impeccable'?

Correct option is C

The correct antonym of the given word is (c) Faulty.
Given word: Impeccable – Flawless, without any fault or error. (बिना त्रुटि के, उत्तम)
Example: Her impeccable manners left everyone impressed.
Correct answer word: Faulty – Containing flaws or errors. (त्रुटिपूर्ण)
Example: The faulty wiring caused the entire system to crash.
Synonyms: flawless, perfect, error-free, unblemished.
Antonyms: faulty, defective, flawed, erroneous.
Meanings of all the other options:
· (a) Spotless: Clean or flawless (निर्दोष)
· (b) Perfect: Without fault (पूर्ण)
· (d) Unblemished: Not damaged or marked (बिना दाग के)