causing harm or damage
Smoking is known to be deleterious to your health.
Divorce can have deleterious effects on children.
He was in a deleterious state of mind while his exams. This is an example using the word deleterious.
Notwithstanding its deleterious long-term effects, I enjoy a cigarette almost every morning, as it redounds positively to my mood.
The word could be toxic, or in its effect deleterious or harmful.
Police charged the attacker with assault with intent to prevent arrest and possession of a deleterious substance.
Deleterious means "bad" or "harmful". If you meant a different word, please ask again.
'Deleterious' is harmfu,l often in a subtle or unexpected way.
wha the hell is wrong with you there is no such move as deleterious you troll
That is the correct spelling of "deleterious" (generally harmful).
Eating too much junk food can have a deleterious effect on your health.
Drinking arsenic would be considered deleterious to one's health. Getting into an argument can be deleterious to one's future employment at the company.