1
as in infectious
capable of being passed by physical contact from one person to another
chicken pox, measles, German measles, and other contagious diseases
Synonyms & Similar Words
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Antonyms & Near Antonyms
2
as in spreading
exciting a similar feeling or reaction in others
the enthusiasm of the new club members was contagious
Synonyms & Similar Words
Example Sentences
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Recent Examples of contagious
One horse moved from the site has tested positive for equine Strangles, a contagious bacterial disease that Humane Society officials said can emerge when horses experience stress.
—
Teri Figueroa,
San Diego Union-Tribune,
18 June 2026
That optimism felt surprisingly contagious.
—
Marc Adelman,
HollywoodReporter,
16 June 2026
Health workers were trying to remove the body for the community's safety — even in death, victims are highly contagious.
—
Ramy Inocencio,
CBS News,
16 June 2026
His laugh was so contagious and warm.
—
Jack Dunn,
Variety,
14 June 2026
See All Example Sentences for contagious
Teri Figueroa,
San Diego Union-Tribune,
18 June 2026
That optimism felt surprisingly contagious.
—
Marc Adelman,
HollywoodReporter,
16 June 2026
Health workers were trying to remove the body for the community's safety — even in death, victims are highly contagious.
—
Ramy Inocencio,
CBS News,
16 June 2026
His laugh was so contagious and warm.
—
Jack Dunn,
Variety,
14 June 2026
See All Example Sentences for contagious
Recent Examples of Synonyms for contagious
infectious
Adjective
-
Lynn's infectious personality and ongoing quest for selfies made her someone that everyone wanted to know, and her sharp wit kept readers coming back for more.
-
The traveler was infectious while passing through Los Angeles County, potentially exposing others at LAX and the Hilton Los Angeles Airport Hotel.
Cite this Entry
“Contagious.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/contagious. Accessed 30 Jun. 2026.
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