Definition of Virus
Quick Meaning of Virus
A tiny germ that causes infections and spreads between people.
Detailed Definition of Virus
A microscopic infectious agent that can reproduce inside host cells.
How to Pronounce Virus
Stress pattern: Oo (2-syllable word).
Tip: /ˈvaɪrəs/ — stress on first syllable, rhymes with 'my-russ'.
Origin and Etymology of Virus
From Latin virus (poison, venom).
How to Use Virus in a Sentence
Each example shows “virus” with a CEFR level so learners can pick examples that match their fluency.
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“The virus spreads rapidly during winter.”
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“COVID-19 is a coronavirus that infected millions.”
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“Antiviral medication targets the virus at the cellular level.”
Synonyms and Antonyms of Virus
Common Synonyms for Virus
Smart Synonyms for Virus — When to Use Each
- pathogen
- scientific term for disease-causing organism
- infection
- broader term including bacterial and viral diseases
- germ
- informal word for any harmful microorganism
Common Collocations with Virus
These phrases pair with “virus” in everyday English:
- virus spreads
- computer virus
- fight the virus
Common Mistakes When Using Virus
Even fluent speakers slip up with “virus”. Here’s how to avoid the most common errors:
- ✗ Wrong: The viruses is spreading fast.
- ✓ Correct: The virus is spreading fast.
- Why: Verb agrees with singular noun 'virus', not plural 'viruses'.
- ✗ Wrong: She catches a virus from cold.
- ✓ Correct: She catches a virus from a cold.
- Why: Use article 'a' before countable noun 'cold'.
Other Forms of Virus
Frequently Asked Questions About Virus
What is the meaning of "Virus"?
A tiny germ that causes infections and spreads between people.
How do you pronounce "Virus"?
The IPA is /ˈvaɪrəs/. /ˈvaɪrəs/ — stress on first syllable, rhymes with 'my-russ'.
What part of speech is "Virus"?
"Virus" is a noun at B1 level (Common European Framework).
What are synonyms for "Virus"?
Common synonyms include pathogen, infection, germ.
How do you use "Virus" in a sentence?
For example: "The virus spreads rapidly during winter."