Select the most appropriate antonym of the given word.
Dilatory

Correct option is C

The correct antonym of the given word is (c) Prompt.
Dilatory: Tending to delay or procrastinate; slow in doing things. (टालमटोल करने वाला, देर करने वाला)
Example: The committee was criticized for its dilatory response to the crisis.
Prompt: Done without delay or at the scheduled time; quick and on time. (समय पर, तत्पर)
Example: The company took prompt action to resolve the customer complaint.
Synonyms: sluggish, delaying, procrastinating, lingering
Antonyms: prompt, punctual, swift, immediate
Meanings of all the other given options:
· (a) Unhurried: Slow and relaxed. (धीमा, शांत)
· (b) Postponing: Delaying something to a later time. (स्थगित करना)
· (d) Idle: Inactive; doing nothing. (बेकार, निष्क्रिय)