Flu and Sickliness

Flu noun - An acute febrile highly contagious viral disease.

Sickliness and flu are semantically related in weakness topic. In some cases you can use "Sickliness" instead a noun "Flu", when it comes to topics like ailment, infirmity.

Nearby Word: flue

Flu and sickliness are semantically related in weakness topic. Sometimes you can use "Flu" instead a noun "Sickliness", if it concerns topics such as ailment, infirmity.