流行る — “to be popular, to be in fashion, to be prevalent, to spread (of an illness)”
流行る (read はやる) means to be popular, to be in fashion, to be prevalent, to spread (of an illness). It appears on the JLPT N2 vocabulary list and is a verb.
Reading
はやる
Meaning
to be popular, to be in fashion, to be prevalent, to spread (of an illness)