What does harmful mean?
Harmful means Causing or likely to cause harm or damage; injurious..
Harmful
/ˈhɑːmfl̩/ · adjective
Meaning
Causing or likely to cause harm or damage; injurious..
Example Sentences
Wear a hat to protect your skin from harmful sunlight.
Smoking is harmful to the lungs.
Burning fossil fuels is harmful to the environment.
Synonyms for harmful
Antonyms for harmful
Related Words
Word Forms
- harmfuller
- more harmful
- harmfullest
- most harmful
- harmfull
Usage Notes
Choose a synonym only when it preserves the intended meaning, tone, and grammar of the full sentence.
Practice and Learn More
Frequently Asked Questions
What is a synonym for harmful?
Common synonyms include injurious, harmful, damaging, deleterious.
What is the opposite of harmful?
Possible antonyms include beneficial, harmless, helpful, valuable.
How do you use harmful in a sentence?
Wear a hat to protect your skin from harmful sunlight.
Sources & Attribution
FreeDictionaryAPI.com / Wiktionary · Original source · CC BY-SA 4.0
Dictionary data is provided by FreeDictionaryAPI.com and sourced from Wiktionary under its stated license.