Choose the option nearest in meaning to the word underlined.
The professor discussed a number of abstruse topics.
A
esoteric
B
relevant
C
irrelevant
D
useful
Verified Correct Answer: A.
Grammar & Contextual Explanation
"Abstruse" refers to something difficult to understand or obscure. "Esoteric" also refers to something understood by only a small, specialised group, making it the nearest in meaning.
Source: Myschool Past Questions Archive (Record #11427)