1.

1). Obstinate 2). Abstain 3). Lucid 4). Illicit

Answer»

Correct OPTION - 3

First of all, let's find out the MEANING of 'abstruse' :- Difficult to understand; obscure; puzzled.

Now, let's check the meanings of the given options :- 

Obstinate - Stubbornly refusing to change one's opinion or chosen course of action, DESPITE attempts to persuade one to do so.

Abstain - Restrain or avoid oneself from doing or enjoying something.

Lucid - Expressed clearly; easy to understand.

Illicit - Illegal; unlawful; against the law.

Here, option 3 i.e. lucid is the most opposite in meaning to the given WORD 'abstruse'. Hence, option 3 is the correct answer.



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