heyday
/ˈheɪdeɪ/ noun, interjection
Forms heydays hay day hayday
- noun A period of success, popularity, or power; prime. “The early twentieth century was the heyday of the steam locomotive.”
- noun (archaic) An exultation of the spirits; gaiety; frolic.
- interjection A lively greeting.
- interjection (obsolete) An expression of frolic and exultation, and sometimes of wonder.
Synonyms
day in the sun glory days golden age golden years good old days hello wow flower prime peak bloom blossom efflorescence flush
Etymology
Late 16th century, from earlier heyda (1520s), as exclamation; compare hey, hei and Swedish hej då. Sense “period of success, vigor” is a reanalysis as heyday based on unrelated day (as “period of time”) – compare day in the sun.
Webster’s 1913
- interjection An expression of frolic and exultation, and sometimes of wonder. B. Jonson.
- noun The time of triumph and exultation; hence, joy, high spirits, frolicsomeness; wildness.
Etymology [Cf. G. heida, or hei da, D. hei daar. Cf. Hey, and There.]
Etymology [Prob. for. high day. See High, and Day.]
Sources: Wiktionary · WordNet 3.0 · Webster’s 1913 — from the Wiktionary entry “heyday”, CC BY-SA 4.0. Details