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Definitions

infectious

[in-fek-shuhs] / ɪnˈfɛk ʃəs /


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The “long on the road” theme continues in the infectious, fiddle-driven “I Got a Feelin’,” which offers encouragement for a long struggling and debilitated performer: “gotta feelin’ that this song ain’t over yet.”

From The Wall Street Journal • May 20, 2026

Other than measles, which is preventable, the U.S. is not the center of any major infectious disease outbreaks.

From Salon • May 20, 2026

“It’s a neurochemical con job. It’s just synaptic, electronic explosions in your brain. It’s just a meat computer,” he says, bursting into his infectious, double bass laugh.

From Los Angeles Times • May 18, 2026

"The UK has a world-leading national immunisation programme, which is regularly reviewed and updated to reflect the changing nature of infectious diseases and provide the best protection and outcomes for the public."

From BBC • May 16, 2026

Lice carried an infectious disease called trench fever, characterized by chills and high fever, which put thousands of men out of action.

From "The War to End All Wars: World War I" by Russell Freedman




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