noun
heyday
HAY-day/ˈheɪdeɪ/
The period of greatest success, popularity, or strength.
The athlete's triumphant middle years mark his heyday between early efforts and retirement.
Etymology
Heyda was a cheerful exclamation, apparently an extension of hey. Its later sense of greatest vigor may reflect association with “high-day,” leading to today's peak of success or popularity.
In context
Decades after World War II, the stock market helped create the heyday of shared American prosperity.
More examples
- At its heyday, the factory employed nearly everyone in town.
- Disco had its heyday in the 1970s.
- These old photos capture the resort in its heyday.
Forms
heyday · heydays