contagious
Definitions
Spread from one person or organism to another by direct or indirect contact.
Likely to spread to and affect others, often referring to an emotion, feeling, or attitude.
Examples
The doctor advised the patient to stay home because his flu was highly contagious.
Her enthusiasm for the project was contagious, quickly spreading to the rest of the team.
Laughter is often contagious, turning a somber room into one filled with joy.
Synonyms
infectious communicable transmissible catching spreadable pestilential virulent
Antonyms
noncommunicable noncontagious uninfectious isolated contained harmless safe