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Definition of Flu
1. Noun. An acute febrile highly contagious viral disease.
Exact synonyms: Grippe, Influenza
Generic synonyms: Contagion, Contagious Disease, Respiratory Disease, Respiratory Disorder, Respiratory Illness
Specialized synonyms: Asian Influenza, Asiatic Flu, Swine Flu, Swine Influenza
Generic synonyms: Contagion, Contagious Disease, Respiratory Disease, Respiratory Disorder, Respiratory Illness
Specialized synonyms: Asian Influenza, Asiatic Flu, Swine Flu, Swine Influenza
Definition of Flu
1. Noun. Influenza. ¹
2. Noun. (informal) Common cold. ¹
¹ Source: wiktionary.com
Definition of Flu
1. a virus disease [n -S]
Medical Definition of Flu
1. A lay term that describes a illness that is characterised by fever, malaise, weakness and muscle aches. An infection caused by the influenza virus. (27 Sep 1997)