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:

Tree topping — where whole tops of trees or large branches are reduced to stubs — is also harmful for trees, according to Lancaster.

From Los Angeles Times Sep. 22, 2026

Non-antioxidant preservatives are generally used to prevent potentially harmful microorganisms, including bacteria and mold, from growing.

From Science Daily Sep. 20, 2026

This means banning profiling-based recommender feeds that lead to children seeing harmful content, as well as on reward-type mechanisms, and unsolicited contact from strangers.

From Barron's Sep. 17, 2026

OpenAI’s announcement comes as fears over harmful AI reach a fever pitch.

From The Wall Street Journal Sep. 16, 2026

“In my opinion too much is taken for granted. We do not know whether all weeds in crops are harmful or whether some of them are useful,” says Dr. Briejer.

From "Silent Spring" by Rachel Carson




Vocabulary lists containing harmful


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