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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"
Harmful definition: causing or capable of causing harm; injurious. See examples of HARMFUL used in a sentence.
Definitions of harmful. adjective. causing or capable of causing harm. “too much sun is harmful to the skin” “ harmful effects of smoking” synonyms: disadvantageous. constituting a disadvantage. malign. evil or harmful in nature or influence. destructive. causing destruction or much damage. abusive.
Synonyms for HARMFUL: detrimental, damaging, dangerous, adverse, bad, hazardous, poisonous, injurious; Antonyms of HARMFUL: harmless, beneficial, benign, safe, innocuous, useful, innocent, advantageous.
causing damage or injury to somebody/something, especially to a person’s health or to the environment. Many household products are potentially harmful. harmful to somebody/something Exercising in polluted air is harmful to your health. Fruit juices can be harmful to children's teeth.
adverb. harmfulness noun [uncountable] See harmful in the Oxford Advanced Learner's Dictionary. Check pronunciation: harmful. Definition of harmful adjective in Oxford Advanced American Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.
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. American Heritage® Dictionary of the English Language, Fifth Edition....
Synonyms and examples. dangerous. It's dangerous to walk alone in the woods at night. unsafe. Don't play in the street - it's unsafe. hazardous. Heavy rain is causing hazardous driving conditions. perilous. A perilous journey through the mountains was their only escape route.
