Harmful definition

härmfəl
Causing or able to cause harm; hurtful.
adjective
36
10
Causing or capable of causing harm; injurious.
adjective
26
11
The definition of harmful is something that causes damage or is able to be hurtful.

A chemical that causes you to become sick is an example of a chemical that would be described as harmful.

adjective
6
0
Of a kind likely to be damaging; injurious.

Wear a hat to protect your skin from harmful sunlight.

adjective
4
0
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Origin of harmful

  • From harm +‎ -ful.

    From Wiktionary

Harmful Sentence Examples

  • The Egyptian rule proved harmful to the country.

  • The ordinary pleasures of life were for them not merely negligible but positively harmful inasmuch as they interrupted the operation of the will.

  • And most of them are harmful, especially the women.

  • Though harmful to the economic condition of the island, it left agriculture comparatively unaffected, because the insolvent institutions had never fulfilled the objects of their foundation.

  • An institution upholding honor, the source of emulation, is one similar to the Legion d'honneur of the great Emperor Napoleon, not harmful but helpful to the success of the service, but not a class or court privilege.

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