Synonym of DELETERIOUS

A. Morose

B. Devious

C. Harmful

D. Remorseful

Answer: Option C

Solution(By Examveda Team)

Morose : sullen and ill-tempered.
Devious : showing a skilful use of underhand tactics to achieve goals.
Harmful : causing or likely to cause harm.
Remorseful : filled with remorse; sorry.
Deleterious : causing harm or damage.

Synonym of Deleterious is Harmful