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Harmful

/ˈhɑːmfəl/

Causing damage, injury, or negative effects to someone or something.

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Examples:

Smoking is harmful to your health.Some chemicals can be harmful to the environment.

Etymology:

Derived from Middle English harmefull, from the Old English hearmful, combining hearm meaning damage or injury and -ful, an English suffix meaning full of.

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Harmful

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