Thesaurus.com
Dictionary.com
Definitions

harmful

[hahrm-fuhl] / ˈhɑrm fəl /


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.

See Examples For:

Cooling systems can draw large volumes of municipal water, while mists from cooling towers can carry harmful bacteria.

From Barron's ● Nov. 5, 2026

California was among dozens of states that sued Meta in 2023, alleging it designed harmful and addictive features to hook children while misleading the public about the dangers.

From Los Angeles Times ● Nov. 5, 2026

In other cases, the difference between an effective treatment and a harmful one can be extremely small.

From Science Daily ● Nov. 4, 2026

It also gave its Opus series of models the capacity to end conversations with humans in rare instances when it deems the conversation abusive or harmful.

From Los Angeles Times ● Nov. 2, 2026

Storage in human beings has been well investigated, and we know that the average person is storing potentially harmful amounts.

From "Silent Spring" by Rachel Carson


Vocabulary lists containing harmful

Random Word

Spin the wheel and learn a new word!

Get a word

Vocabulary.com logo
by dictionary.com

Just like flashcards, but way more fun

Don't take our word for it. Leave the boring studying behind and join VocabTrainer today. You'll learn even faster and never look back.

Take me to Vocabulary.com