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Harmful

adjective

/ˈhɑːrmfəl/

Meaning

causing or likely to cause harm; damaging

Smoking is harmful to your health.

damaging, dangerous, detrimental, destructive

harmless, beneficial, helpful, safe

harmful effects, harmful chemicals, harmful substances

relating to or characteristic of a region

Deriving pleasure from inflicting pain or suffering on others.

made or used as a substitute, typically an inferior one

clearly seen or understood; obvious

Relating to or involving technology, especially scientific technology.

not securely held; dangerously unstable or uncertain