contagiousness

contagiousness

The contagiousness of the common cold is why we wash our hands frequently.

Definition

Noun (uncountable): The quality or state of being contagious; the capacity of a disease, condition, or behavior to be transmitted from one person to another, typically through direct or indirect contact.

Usage Examples
  • (The ability of the virus to infect others easily.)
  • (The property of yawning to be triggered in others.)
  • (The tendency for laughter to spread among people.)
Advanced Usage
  • "high contagiousness": a phrase used to describe a pathogen or behavior that spreads very easily.

    • Measles is known for its high contagiousness, requiring herd immunity to prevent outbreaks. (The disease spreads very quickly through a population.)
  • "low contagiousness": the opposite, indicating limited spread.

    • The low contagiousness of the infection meant that only close family members were at risk. (The infection does not transmit easily.)
Variants and Related Words
  • Contagious (adj): capable of being transmitted by direct or indirect contact.

    • A contagious disease can be passed through sneezing or coughing. (Infectious and easily spread.)
  • Contagion (n): the transmission of a disease or idea from one person to another.

    • The contagion of panic spread through the crowd. (The rapid spread of fear.)
Synonyms
  • Infectiousness: the degree to which an infection can be transmitted.
  • Transmissibility: the ability to be passed from one host to another.
  • Communicability: the property of being communicable or spreadable.
Related Idioms
  • Catch like wildfire: to spread very quickly and extensively.

    • The rumor caught like wildfire due to its contagiousness. (The rumor spread rapidly because of its infectious nature.)
  • Spread like the plague: to proliferate rapidly and widely.

    • The new dance move spread like the plague, thanks to its contagiousness. (The move became popular very quickly.)
Phrasal Verbs (not applicable)
  • No common phrasal verbs directly use "contagiousness." Use "spread (something)" with contagiousness.
    • The government tried to limit the spread of the disease's contagiousness. (Control the transmission capability.)