Definitions

harmful

[hahrm-fuhl] / ˈhɑrm fəl /

ADJECTIVE

injurious, hurtful

Synonyms

STRONGEST

adverse bad catastrophic damaging destructive detrimental disadvantageous disastrous inimical noxious painful pernicious risky ruinous sinful toxic unhealthy unsafe

WEAK

baleful baneful calamitous cataclysmic consumptive corroding corrupting crippling deleterious dire evil harassing incendiary internecine malefic malicious malignant menacing mischievous murderous nocuous pestiferous pestilential sinister subversive undermining unwholesome virulent

Antonyms

STRONGEST

advantageous aiding assisting beneficial favorable fortunate good harmless healthy helpful honest kind lucky profitable safe upright

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

This can temporarily weaken the atmosphere’s super power to shield the planet from harmful space conditions.

From Space Scoop

The committe said the number of lives saved by screening does not outweigh its harmful effects on healthy men.

From BBC

Hales said she had "mixed feelings" about the emergence of the trend, saying there was a potential benefit of providing less harmful products to young girls.

From Barron's

On Nov. 9, the drugmaker announced that a heart pill it is developing cut levels of harmful LDL cholesterol in clinical trials.

From Barron's

These conditions are driven by harmful buildups in the brain made of misfolded amyloid proteins.

From Science Daily

harmful

Example Sentences

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