trendiness
Noun
Meaning
(uncountable) The state or quality of being trendy.
(countable) The result or product of being trendy.
Source: en.wiktionary.orgSynonyms
Examples
The allure of cold brew coffee goes far beyond its trendiness.
The concept of bibliotherapy -- a word coined in 1916 -- long teetered on the edge of trendiness.
“We like to incorporate a very classic look, because trendiness goes away and we want your home to last as long as you want it to,” says Leila.