contagious
/kən'teidʤəs/
Definition
- Adjective:
- (Of a disease) capable of being transmitted by infection: Describes a disease that can spread from one person, animal, or organism to another through direct or indirect contact.
- Easily diffused or spread from one person to another: Describes emotions, feelings, behaviors, or influences that tend to spread quickly and easily among people.
Examples of Usage
- Adjective (Disease):
- Chickenpox is a highly contagious illness.
- The doctor confirmed the virus was contagious and advised isolation.
- Adjective (Emotion/Influence):
- Her enthusiasm was contagious and soon the whole team was excited.
- A contagious sense of panic spread through the crowd.
Advanced Usage
- "Contagious laughter": Laughter that spreads easily and causes others to laugh.
- His joke was so funny it started a wave of contagious laughter in the room.
- "Contagious effect": The spreading influence of an action or event.
- The success of the new product had a contagious effect on the company's morale.
Variants and Related Words
- Contagion (noun): The communication of disease from one person to another by close contact; a disease spread in this way; the spreading of an influence, feeling, or idea.
- The contagion spread rapidly through the village.
- Fear is a social contagion.
- Contagiously (adverb): In a manner that spreads easily.
- She smiled contagiously.
Synonyms
- Communicable (for diseases): Capable of being transmitted.
- Infectious (for diseases and emotions): Likely to spread infection; spreading easily.
- Catching (informal, for diseases and emotions): Likely to be transmitted or spread.
Related Phrases
- Contagious disease: A disease that is transmitted through contact.
- Hospitals have special wards for patients with contagious diseases.
- Contagious yawning: The phenomenon where seeing or hearing someone yawn triggers you to yawn.
- Contagious yawning is thought to be linked to empathy.
Idioms
- "Laughter is contagious": A saying that means when one person laughs, it often causes others to laugh too.
- Remember, laughter is contagious, so try to stay positive around the team.
Adjective
-
(of disease) capable of being transmitted by infection
-
easily diffused or spread as from one person to another
-
a contagious grin
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