What is the closest synonym for the word ‘Deleterious’?

Explanation

‘Deleterious’ means causing harm or damage, especially in a gradual or subtle way, so ‘harmful’ is the closest synonym, as in ‘Smoking has a deleterious effect on health.’ The word is frequently used in scientific and medical writing to describe negative effects on health or the environment. Its opposite is ‘beneficial’ or ‘salutary.’ Explore more English MCQs on mcqstutor to keep practicing.