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infectious
01
(of a disease or condition) capable of transmitting from one person, organism, or object to another through direct or indirect contact
02
(of qualities or behaviors) likely to influence others rapidly
03
of or relating to infection
infectious
adj
infectiously
adv
infectiously
adv
noninfectious
adj
noninfectious
adj
Example
The flu is highly infectious, spreading easily from person to person, especially in crowded places.
Tom's infectious laughter spread throughout the room, causing everyone to smile.
COVID-19 is an infectious respiratory illness caused by the coronavirus SARS-CoV-2, which has led to a global pandemic.
Sarah stayed home from work to avoid spreading her infectious cold to her coworkers.
The sheer delight in her laughter was infectious.
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