(Pronounced deh. luh.tech.ree.us)
Meaning: An adjective, "deleterious means harmful or damaging, often in an unexpected way.
Origin: The term originated from the Greek deleterios meaning "noxious or destructive” via Medieval Latin deleterius. It is derived from deleter meaning "destroyer." It began to be used in English in the mid-17th Century.
Usage: Carbon emissions have a deleterious impact on our planet.
It's important to sleep well as the lack of sleep can have a deleterious effect on the body.
Picture Credit : Google