IPA: /ˈtrɛndɪli/
KK: /ˈtrɛndɪli/
In a way that follows or is aware of the latest styles or fashions.
She dressed trendily for the party, wearing the latest fashion.
Trendily → It is formed from "trend" (from Middle English *trende*, meaning to turn or revolve) and the suffix "-ly" (meaning in a manner of). The word "trendily" means in a manner that follows or is characterized by a trend.
Think of the word 'trend' as a way of turning towards what is popular or fashionable, and '-ly' means in that manner. So, trendily means doing something in a fashionable way.