The meaning of harmful is of a kind likely to be damaging : Potassium could be harmful for those with impaired kidneys. The chemical kills harmful [= dangerous] bacteria. Too much salt can be harmful to a young baby. For example, pollution is harmful to the lungs, whereas his … See examples of harmful used in a sentence. Top 2000 english words, words ending in ful, health, more. Many patients need to take several different drugs for single or multiple conditions with an increasing chance of suffering harmful interactions or side effects. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. Harmful generally refers to physical or non-physical damage or negative effects, while hurtful typically relates to emotional pain or distress. Definition of harmful adjective in oxford advanced learners dictionary. Damaging, bad, dangerous, hazardous, detrimental, more. They claim that the drug has no harmful [= bad] side effects. . the harmful effects of smoking. · understand the meaning of harmful with detailed definitions, etymology, and diverse examples. Harmful if something is harmful to someone or harmful for them, it has a bad effect on them. Causing or capable of causing harm; How to use harmful in a sentence. Something that is harmful has a bad effect on something else, especially on a persons health. This glossary entry clarifies its usage across various contexts, aiding academic and … Harmful to [children, your eyes], is harmful …