in
fec
tious
Comparative
more infectious
Superlative
most infectious
1
(of a disease or condition) capable of transmitting from one person, organism, or object to another through direct or indirect contact
- Sarah stayed home from work to avoid spreading her infectious cold to her coworkers.
- Tom's infectious laughter spread throughout the room, causing everyone to smile.
- The flu is highly infectious, spreading easily from person to person, especially in crowded places.
- Chickenpox is an infectious disease that primarily affects children and is characterized by itchy blisters.
- COVID-19 is an infectious respiratory illness caused by the coronavirus SARS-CoV-2, which has led to a global pandemic.
Synonyms:
2
(of qualities or behaviors) likely to influence others rapidly
- His enthusiasm for the project was infectious, inspiring the entire team to work harder.
- The viral video's humor was infectious, quickly gaining millions of views and shares.
- The community leader's passion for environmental conservation was infectious, mobilizing residents to take action.
- Her kindness and generosity were infectious, prompting others to pay it forward.
- The new dance craze became infectious, with people all over the world joining in and posting their own versions online.
Antonyms:
3
of or relating to infection