flu B1 Topic:Describing Qualities US /flʉː/ UK /fluː/ See IPA manual Freq #5670 Meanings 1 noun A common illness like a bad cold, with fever, aches, and tiredness, caused by a virus. I caught the flu and had to stay in bed for a week. Thesaurus Synonyms 1 noun · a common illness like a bad... influenzagrippe Word family Derived forms antifluflueyfluishflulikeflunamifluronasuperflu Related forms catarrhflu-flu Common collocations flu shot Noun + noun Etymology AI details Clipping of influenza. Topics Describing Qualities External links Cambridge Dictionary Wiktionary Google Images # flu **Type:** Word **Level:** B1 **Part of speech:** noun **IPA (US):** /flʉː/ **IPA (UK):** /fluː/ **Frequency rank:** 5670 ## Meanings 1. A common illness like a bad cold, with fever, aches, and tiredness, caused by a virus. ## Examples - I caught the flu and had to stay in bed for a week. ## Derived Forms - antiflu - fluey - fluish - flulike - flunami - flurona - superflu ## Related Forms - catarrh - flu-flu ## Etymology Clipping of influenza. ## AI Etymology Flu is a clipping of influenza. In current use, the main sense is “A common illness like a bad cold, with fever, aches, and tiredness, caused by a virus”. ## Topics - Describing Qualities markdown