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.

The company pioneered a technique called “reinforcement learning from AI feedback” to ensure that its models avoid harmful or unsafe answers.

From The Wall Street Journal

"This does not automatically mean that harmful effects are occurring, but it highlights where further monitoring and targeted impact studies should be focused."

From Science Daily

He called the exchange “juvenile” and “not a reference to anything dark or harmful.”

From The Wall Street Journal

The ban, which still needs parliamentary approval, is part of a raft of changes that include making company executives responsible for "illegal or harmful content" on their platforms.

From BBC

But these chemicals also find their way into the environment with potentially harmful consequences.

From BBC

harmful

Example Sentences

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