American Dictionary
Definition harmful in American English
harmful
adjective
What are red words?
Around 90% of spoken and written English relies on just 7,500 common words.
These words are highlighted in red and are ranked using a star system.
- One-star words are commonly used
- Two-star words are even more common
- Three-star words are the most frequently used
adjective
What are red words?
Around 90% of spoken and written English relies on just 7,500 common words.These words are highlighted in red and are ranked using a star system.
- One-star words are commonly used
- Two-star words are even more common
- Three-star words are the most frequently used
The usual preposition to use with harmful is to (not “for”):
✗ Smoking is harmful for smokers and non-smokers.
✓ Smoking is harmful to smokers and non-smokers.
✗ Looking at a computer monitor for a long time can be harmful for the eyes.
✓ Looking at a computer monitor for a long time can be harmful to the eyes.
The bacteria digest some of the harmful substances in the sewage.
harmful effects/consequences
