contagious

adjective con·ta·gious \ kən-ˈtā-jəs \
Updated on: 9 Dec 2017

Definition of contagious

1 : transmissible by direct or indirect contact with an infected person
  • contagious diseases
2 : bearing contagion
  • contagious people
3 : used for contagious diseases
  • a contagious ward
4 : exciting similar emotions or conduct in others
  • contagious enthusiasm
  • contagious laughter

contagiously

adverb

contagiousness

noun

Examples of contagious in a Sentence

  1. It's a highly contagious virus.

  2. I have a cold and I'm still contagious.

  3. I'm sick, but the doctor says I'm not contagious.

Recent Examples of contagious from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'contagious.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of contagious

contagious Synonyms

Synonyms
catching, communicable, pestilent, transmissible, transmittable
Antonyms
noncommunicable
Related Words
infectious, infective
Near Antonyms
noninfectious

CONTAGIOUS Defined for English Language Learners

contagious

adjective

Definition of contagious for English Language Learners

  • : able to be passed from one person or animal to another by touching

  • : having a sickness that can be passed to someone else by touching

  • : capable of being easily spread to others : causing other people to feel or act a similar way


CONTAGIOUS Defined for Kids

contagious

adjective con·ta·gious \ kən-ˈtā-jəs \

Definition of contagious for Students

1 : able to be passed from one individual to another through contact
  • a contagious disease
2 : having a sickness that can be passed to someone else
3 : causing other people to feel or act a similar way
  • a contagious laugh

Medical Dictionary

contagious

adjective con·ta·gious \ -jəs \

medical Definition of contagious

1 : communicable by contact
  • tuberculosis in the contagious stage
— compare infectious 2
2 : bearing contagion
  • many persons…are contagious long before they are aware of the presence of their disease
  • Journal of the American Medical Association
3 : used for contagious diseases
  • a contagious ward

contagiously

adverb

contagiousness

noun


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