heyday

1 of 2

noun

hey·​day ˈhā-ˌdā How to pronounce heyday (audio)
1
: the period of one's greatest popularity, vigor, or prosperity
2
archaic : high spirits

heyday

2 of 2

interjection

archaic
used to express elation or wonder

Did you know?

In its earliest appearances in English, in the 16th century, heyday was used as an interjection that expressed elation or wonder (similar to our word hey, from which it derives). Within a few decades, heyday was seeing use as a noun meaning "high spirits." This sense can be seen in Act III, scene 4 of Hamlet, when the Prince of Denmark tells his mother, "You cannot call it love; for at your age / The heyday in the blood is tame…." The word's second syllable is not thought to be borne of the modern word day (or any of its ancestors), but in the 18th century the syllable's resemblance to that word likely influenced the development of the now-familiar use referring to the period when one's achievement or popularity has reached its zenith.

Examples of heyday in a Sentence

Noun in its heyday, the circus was a major form of entertainment for small-town America
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Noun
At this point, far from his popular heyday and a few months away from leaving the WWE altogether, Hogan steals the limelight from both Hart and Yokozuna and turns the finale of WrestleMania IX into one of the most infamous moments in the event’s history. 36. Daniel Dockery, Vulture, 21 Apr. 2025 We two were often indulgent with our gifts: a chest made of trimmings from the Hardy tree, tokens from the Queen, a heyday for biographers. Maya C. Popa, New Yorker, 14 Apr. 2025 Betty’s multitude of nutty roles during her decade-long heyday is cleverly addressed head-on in a snappy opening number in the all-black-and-white, lingo-spouting, cartoon world of the Fleischer Studios of the ‘30s. Frank Rizzo, Variety, 8 Apr. 2025 Lowell was something of a point of fascination in its heyday. The Editors, JSTOR Daily, 2 Apr. 2025 See All Example Sentences for heyday

Word History

Etymology

Interjection

irregular from hey

First Known Use

Noun

circa 1590, in the meaning defined at sense 2

Interjection

circa 1529, in the meaning defined above

Time Traveler
The first known use of heyday was circa 1529

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Cite this Entry

“Heyday.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/heyday. Accessed 2 May. 2025.

Kids Definition

heyday

noun
hey·​day
ˈhā-ˌdā
: the time of greatest strength, popularity, or vigor

More from Merriam-Webster on heyday

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