流行 はや
hayari

Noun
no-Adjective

1. fashion; fad; vogue; craze

これが最近 さいきんはやりの ふくですか。
korega saikin hayarino fukudesuka.
Is this dress the latest fashion?
Noun
no-Adjective

2. prevalence (e.g. of a disease)

Other forms: