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- Dictionaryinfectious/ɪnˈfɛkʃəs/
adjective
- 1. (of a disease or disease-causing organism) liable to be transmitted to people, organisms, etc. through the environment: "outbreaks of infectious diseases" Similar
- 2. likely to spread or influence others in a rapid manner: "a loud infectious laugh" Similar
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Learn the meaning of infectious, a word that describes something that can cause or spread infection, or that is easily transmitted. See synonyms, examples, word history, and related phrases of infectious.
Learn the meaning of infectious as an adjective for diseases or behaviors that spread easily. See how to use infectious in sentences and find synonyms, antonyms, and related words.
Learn the meaning of infectious as an adjective for diseases or behaviors that spread easily. See how to use infectious in sentences and find synonyms, antonyms, and related words.
Infectious means capable of being transmitted by infection, as from one person to another or from one part of the body to another. See synonyms, derived forms, word history, and example sentences of infectious.
Learn the meaning of 'infectious' as an adjective for diseases, feelings, or legal matters. See synonyms, pronunciation, examples, and related words.
INFECTIOUS definition: 1. An infectious disease can be passed from one person to another. 2. Infectious laughter or…. Learn more.
adjective. caused by infection or capable of causing infection. synonyms: infective. infected, septic. containing or resulting from disease-causing organisms. adjective. easily spread. “fear is exceedingly infectious ” synonyms: catching, communicable, contagious, contractable, transmissible, transmittable.