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.

"These failures meant Reddit was using children’s data unlawfully, potentially exposing them to inappropriate and harmful content," the ICO said in a statement.

From Barron's

The study, published in the journal Science, suggests that some biological changes linked to aging may not simply be harmful decline.

From Science Daily

A landmark social media addiction trial resumed Monday with a YouTube executive insisting that the Google-owned company's aim was to give people value, not hook them on harmful binge-viewing.

From Barron's

This is where our growing obsession with achieving optimal sleep—an issue that researchers call orthosomnia—becomes harmful.

From The Wall Street Journal

This tightly packed network of blood vessels normally shields the brain from harmful substances circulating in the bloodstream.

From Science Daily

harmful

Example Sentences

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