causing or likely to cause harm or damage.
Using harmful: Examples
Take a moment to familiarize yourself with how "harmful" can be used in various situations through the following examples!
Smoking is harmful to your health.
The chemical is harmful to the environment.
Exposure to harmful radiation can cause cancer.
harmful Synonyms and Antonyms
Summary: harmful in Brief
'Harmful' [ˈhɑːrmfəl] means causing or likely to cause harm or damage. It is often used to describe things that are dangerous, damaging, or toxic, such as smoking or exposure to harmful radiation.