heyday

1

or hey·dey

[ hey-dey ]
/ ˈheɪˌdeɪ /

noun

the stage or period of greatest vigor, strength, success, etc.; prime: the heyday of the vaudeville stars.
Archaic. high spirits.

Origin of heyday

1
1580–90; variant of high day, apparently by confusion with heyday2

Definition for heyday (2 of 2)

heyday

2
[ hey-dey ]
/ ˈheɪ deɪ /

interjection Archaic.

(used as an exclamation of cheerfulness, surprise, wonder, etc.)

Origin of heyday

2
1520–30; rhyming compound based on hey; replacing heyda < German hei da hey there
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for heyday

British Dictionary definitions for heyday

heyday

/ (ˈheɪˌdeɪ) /

noun

the time of most power, popularity, vigour, etc; prime

Word Origin for heyday

C16: probably based on hey
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012