Contagious

/kənˈteɪdʒəs/

adjectiveBeginner📊CommonHealth
2 meanings1 idiom/phrase3 questions

Definitions

2 meanings
1

Capable of spreading disease or influence from one person or thing to another.

/kənˈteɪdʒəs/

adjectiveneutralBeginner
Health

Capable of being transmitted from one person or organism to another by contact or close proximity.

The measles is a highly contagious disease.

💡 Simply: Imagine your friend has a really bad cold, and if you get too close, you might catch it too! Contagious things are easily passed from one person to another, like a yawn or a feeling.

👶 For kids: If something is contagious, it means it can be passed from one person to another, like a cold or a laugh!

More Examples

2

Her enthusiasm was contagious, and soon the whole team was excited about the project.

3

He was quarantined because he had a contagious illness.

How It's Used

Medical

"The doctor warned that the flu was highly contagious this season."

General

"His laughter was so contagious that everyone in the room started smiling."

2

Having the characteristic of spreading or transmitting something, not only diseases, but also a mood, behavior, or feeling.

/kənˈteɪdʒəs/

adjectivepositiveIntermediate
Psychology

Describing a feeling, mood, or behavior likely to spread to and affect others.

The singer's joy was contagious, and the audience cheered.

💡 Simply: Sometimes, a feeling or emotion can spread around just like a cold. When something makes you feel something, and it spreads and makes others feel the same way, that's contagious. Think about laughing or smiling.

👶 For kids: Sometimes a feeling can spread to other people! Like, if someone is giggling, you might start giggling too! That's like a contagious feeling!

More Examples

2

His contagious enthusiasm inspired everyone.

3

Her negativity was, unfortunately, contagious, and the meeting ended on a sour note.

How It's Used

Psychology

"Her excitement was contagious, and everyone in the room became more energetic."

Social

"The team's success generated a contagious feeling of optimism across the entire company."

Tip:If a feeling spreads like a disease, it's contagious.

Synonyms & Antonyms

Synonyms

Idioms & expressions

contagious enthusiasm

Enthusiasm that easily spreads to others.

"The new project was a huge success because of the team leader's contagious enthusiasm."

From Latin *contāgiōsus* meaning 'communicable by contact', derived from *contāgō* ('a touching, a contact'), from *tangere* ('to touch').

Historically used primarily in medical contexts, but its usage expanded to describe the spread of emotions or behaviors in the 20th century.

Memory tip

Think of a cough that easily spreads to others.

Word Origin

LanguageLatin
Original meaning

"to touch"

highly contagiouscontagious diseasecontagious enthusiasmcontagious laughter

Common misspellings

contagiousscontageous

Usage

40%Spoken
60%Written