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- Dictionaryharmful/ˈhɑːmf(ʊ)l/
adjective
- 1. causing or likely to cause harm: "the ozone layer blocks the harmful rays from the sun"
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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.
adjective. us / ˈhɑːrm.f ə l / uk / ˈhɑːm.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 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.
(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.
Harmful definition: causing or capable of causing harm; injurious. See examples of HARMFUL used in a sentence.
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.
Something that is harmful has a bad effect on something else, especially on a person's health. ...the harmful effects of smoking. Synonyms: damaging , dangerous , negative , evil More Synonyms of harmful
Of a kind likely to be damaging; injurious. Wear a hat to protect your skin from harmful sunlight. Wiktionary. Synonyms: unsafe. pestilent. nasty. catastrophic. malicious. fatal. destructive. unhealthy. toxic. ruinous. prejudicial. poisonous. pernicious. noxious. noisome. Antonyms: harmless. nice. assisting. aiding.
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.
