STRINGENT

A. Dry

B. Strained

C. Rigorous

D. Shrill

Answer: Option C

Solution(By Examveda Team)

Dry : free from moisture or liquid; not wet or moist.
Strained : showing signs of nervous tension or tiredness.
Rigorous : extremely thorough and careful.
Shrill : (of a voice or sound) high-pitched and piercing.
Stringent : exacting.


Synonym of Stringent is Rigorous