hey
day
Plural
heydays
1
a period in which someone or something was at its height of success, fame, or strength
- The actress was beloved by millions during her heyday in the 1990s.
- The rock band's heyday was marked by sold-out concerts and chart-topping albums.
- In its heyday, the amusement park attracted visitors from all over the country.
- The café enjoyed its heyday in the early 2000s, when it was the trendiest spot in the city.
- In its heyday, the company dominated the tech industry and was the envy of its competitors.