Antonym of QUERULOUS

A. bright

B. splendid

C. smart

D. happy

Answer: Option D

Solution(By Examveda Team)

Querulous : ill-tempered.
Bright : giving out or reflecting much light; shining.
Splendid : magnificent; very impressive.
Smart : (of a person) clean, tidy, and well dressed.
Happy : feeling or showing pleasure or contentment.

Antonym of Querulous is Happy