In the sentence, 'The scientist’s explanation was extremely abstruse', what is a synonym of the word 'abstruse'?

Correct option is B

The correct synonym of the given word is (b) Complicated.
Abstruse: difficult to understand; obscure. (Hindi: जटिल, कठिन समझना)
Example: The professor’s lectures were so abstruse that students lost interest.
Complicated: consisting of many interconnecting parts; complex. (Hindi: पेचीदा)
Example: The instructions were too complicated to follow.
Synonyms: complex, perplexing, obscure, intricate.
Antonyms: simple, clear, obvious, plain.
Meanings of all options:
· (a) Clear: easy to understand (स्पष्ट)
· (c) Concise: short and to the point (संक्षिप्त)
· (d) Obvious: easily perceived (स्पष्ट)