C1adjective5K

Contagious

UK //kənˈteɪdʒəs//US //kənˈteɪdʒəs//

Definition

Capable of being transmitted from one individual to another, especially diseases.

In simple words: Able to spread from one person to another

Examples

  • The flu is extremely contagious during winter months.
  • Her enthusiasm was contagious, making everyone excited about the project.
  • Some diseases are contagious while others are not.
  • Laughter can be just as contagious as a cold.
  • The contagious disease required immediate quarantine measures.

Usage notes

Commonly used in both medical and metaphorical contexts. Be cautious when referring to emotions as 'contagious'; it can have positive or negative connotations.

Grammar pattern

standalone adjective

Memory hint

Think of 'contagious' as catching a cold from a friend. It spreads easily.

Collocations

  • contagious disease
  • contagious laughter
  • contagious enthusiasm
  • contagious joy
  • contagious behavior

Synonyms

  • infectious
  • transmittable
  • catching
  • spreading
  • communicable

Antonyms

  • noncontagious
  • isolated
  • contained

Common mistakes

  • Confusing 'contagious' with 'infectious' when referring to non-medical situations.
  • Using 'contagious' inappropriately to describe things that do not spread, like ideas without a personal connection.
  • Incorrectly using the noun form without context, e.g., saying 'the contagious' without specifying what it is.