infectious

[ɪnˈfɛkʃəs]

infectious Definition

• 1. likely to spread or influence others in a rapid manner, especially in a harmful way
• 2. caused by or capable of being transmitted by infection

Using infectious: Examples

Take a moment to familiarize yourself with how "infectious" can be used in various situations through the following examples!

• Example

  Her laughter was infectious and soon everyone was laughing.

• Example

  The disease is highly infectious and can be transmitted through the air.

• Example

  The infectious beat of the music got everyone dancing.

infectious Synonyms and Antonyms

Synonyms for infectious

• contagious
• transmissible
• communicable
• spreading
• epidemic

Antonyms for infectious

• harmless
• noninfectious

Phrases with infectious

• infectious disease

  a disease caused by pathogenic microorganisms, such as bacteria, viruses, fungi, or parasites, that can be spread, directly or indirectly, from one person to another

  Example

  The hospital is taking precautions to prevent the spread of infectious diseases.

• infectious smile

  a smile that is so warm and genuine that it makes others want to smile too

  Example

  Her infectious smile brightened up the room.

• infectious enthusiasm

  enthusiasm that is so contagious that it spreads to others

  Example

  His infectious enthusiasm for the project motivated the team to work harder.

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Summary: infectious in Brief

The term 'infectious' [ɪnˈfɛkʃəs] refers to something that is likely to spread or influence others in a rapid manner, especially in a harmful way. It can also refer to something that is caused by or capable of being transmitted by infection. Examples include 'Her laughter was infectious,' and 'The disease is highly infectious.' 'Infectious' extends into phrases like 'infectious disease,' and 'infectious smile,' denoting a smile that is so warm and genuine that it makes others want to smile too.