Select the most appropriate ANTONYM of the given word.
Lucid

Correct option is A

The correct antonym of the given word is (a) Dark.
Given word (lucid): Clear, easy to understand; showing clarity of thought (स्पष्ट/सुस्पष्ट). Often used for explanations or mental state.
Example (given word): The teacher gave a lucid explanation of the theorem.

Correct answer word (dark): Obscure, not clear or easy to understand; lacking clarity or light (अस्पष्ट/धुंधला/अंधकारमय). In semantic contrast to lucid, dark denotes something hard to comprehend.
Example (antonym): The paragraph was so dark that students struggled to grasp its meaning.

Synonyms (of lucid): clear, transparent, intelligible, pellucid.
Antonyms (of lucid): obscure, opaque, murky, dark.

Meanings of all the other given options:
· (b) Bloat: To swell or cause to swell (सूजना/फूलना)
· (c) Jolt: A sudden shock or bump; to shake roughly (झटका/झटका देना)
· (d) Stark: Severe/plain; complete/absolute; often bare in appearance (कठोर/निरा/सादा)