trendiness
🇺🇸
/ˈtrendinəs/
🇬🇧
/ˈtrendinəs/
The state of being popular and fashionable at a particular time.
The store's success was due to its ability to capture the trendiness of the season.
その店の成功は、季節のトレンドを捉える能力によるものでした。