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
His laugh was so contagious and warm.
—
Jack Irvin,
PEOPLE,
15 June 2026
His laugh was so contagious and warm.
—
Jack Dunn,
Variety,
14 June 2026
As the old saying goes, courage is contagious.
—
Jon Root Outkick,
FOXNews.com,
13 June 2026
The excitement, the closer said, was contagious.
—
Abbey Mastracco,
New York Daily News,
13 June 2026
See All Example Sentences for contagious
Jack Irvin,
PEOPLE,
15 June 2026
His laugh was so contagious and warm.
—
Jack Dunn,
Variety,
14 June 2026
As the old saying goes, courage is contagious.
—
Jon Root Outkick,
FOXNews.com,
13 June 2026
The excitement, the closer said, was contagious.
—
Abbey Mastracco,
New York Daily News,
13 June 2026
See All Example Sentences for contagious
Recent Examples of Synonyms for contagious
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.
Adjective
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His provisional cause of death was given as multi-organ failure due to infective endocarditis, a rare infection of the inner lining or valves of the heart.
-
On July 30, Ray updated her fans again, revealing her diagnosis of infective endocarditis, a severe heart infection.
Cite this Entry
“Contagious.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/contagious. Accessed 25 Jun. 2026.
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