FRUGALITY

A. Foolishness

B. Extremity

C. Enthusiasm

D. Economical

Answer: Option D

Solution(By Examveda Team)

Foolishness : lack of good sense or judgement; stupidity.
Extremity : the furthest point or limit of something.
Enthusiasm : intense and eager enjoyment, interest, or approval.
Economical : (of a person or lifestyle) careful not to waste money or resources.
Frugality : the quality of being economical with money or food; thriftiness.

Synonym of Frugality is Economical