Meaning & Definition of word "Flu"
to
Flu
/fluː/
noun:
- 1. An infectious viral disease that affects the respiratory system, commonly characterized by fever, cough, and body aches.
- Example: She stayed home from work because she caught the flu.
- 2. A shorter term for Influenza, a contagious illness caused by influenza viruses.
- Example: Getting the flu vaccine can help prevent the spread of the flu.
- 3. A common illness occurring in seasonal outbreaks.
- Example: The flu swept through the school, causing many students to miss classes.
Etymology
The word 'flu' is short for 'influenza', which derives from Italian 'influenza di freddo' meaning 'influence of the cold'.
Common Phrases and Expressions
flu shot:
An injection intended to prevent influenza.
stomach flu:
A term used for a viral infection causing gastrointestinal symptoms, though it is not caused by the influenza virus.
Related Words
influenza virus:
The virus causing flu.
vaccine:
A substance used to stimulate the production of antibodies and provide immunity against influenza.
Slang Meanings of flu
Meaning: Flu bug
Example Sentence: I caught the flu bug going around at work.
Meaning: Flu season
Example Sentence: Make sure to get your vaccine before flu season starts.