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- Dictionaryharm·ful/ˈhärmf(ə)l/
adjective
- 1. causing or likely to cause harm: "sugars that can be harmful to the teeth"
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The meaning of HARMFUL is of a kind likely to be damaging : injurious. How to use harmful in a sentence.
adjective. uk / ˈhɑːm.f ə l / us / ˈhɑːrm.f ə l / Add to word list. B2. causing harm: harmful to This group of chemicals is known to be harmful to people with asthma. Synonyms. damaging. deleterious formal. detrimental formal. injurious formal. prejudicial formal. Opposites. harmless. innocuous. Compare. hurtful.
Harmful definition: causing or capable of causing harm; injurious. See examples of HARMFUL used in a sentence.
Harmful is an adjective that comes in handy when you're talking about things that cause injury to someone or damage something. Burning coal can be harmful to the environment, and eating too much candy can be harmful for your teeth.
Define harmful. harmful synonyms, harmful pronunciation, harmful translation, English dictionary definition of harmful. adj. Causing or capable of causing harm; injurious. harm′ful·ly adv. harm′ful·ness n.
(rather formal) causing damage or injury to somebody/something, especially to a person’s health or to the environment. the harmful effects of alcohol. harmful substances/chemicals/bacteria. the sun’s harmful ultra-violet rays. Many household products are potentially harmful.
Something that is harmful has a bad effect on something else, especially on a person's health. ...the harmful effects of smoking. It believed the affair was potentially harmful to British aviation.
It's important to protect your skin from the harmful effects of the sun. Prolonged use of the drug is known to have harmful side-effects. The program makers disagree that seeing violence on television has a harmful effect on children. Food must be heated to a high temperature to kill harmful bacteria.
This phrase is very commonly used in everyday English when saying that something is harmful Everyone knows that too much alcohol is bad for you. damaging used about things that cause permanent physical harm, or that have a bad effect in other ways, for example on people’s opinion of someone Acid rain has a damaging effect on trees and the soil.
Definition of harmful adjective in Oxford Advanced American Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.
