flu

uncountable

A common infectious viral illness causing fever, aches, and respiratory symptoms, short for influenza.

• 🇷🇺Распространённое инфекционное вирусное заболевание, вызывающее жар, ломоту в теле и респираторные симптомы, сокращение от «инфлюэнца».

1. Influenza A2 formal medical

   A common infectious viral illness causing fever, aches, and respiratory symptoms.

   • She caught the flu and had to stay in bed for a week.
   • The doctor recommended a flu vaccine before winter.
   • Symptoms of the flu include fever, cough, and body aches.

   🇷🇺Грипп

   Synonyms: grippeinfluenza

2. Common cold (informal misuse) A2 informal medical

   Sometimes used informally to describe a bad cold or similar illness.

   • I think I have a touch of the flu, but it's just a cold.
   • He called in sick with the flu, but it was only a mild virus.
   • Don't confuse a common cold with the actual flu.

   🇷🇺Грипп (в просторечии — простуда)

   Synonyms: bugcoldsnifflevirus

• flus plural form
• flus' possessive plural form
• flu's possessive singular form