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heyday1

or heydey

[hey-dey] /ˈheɪˌdeɪ/
noun
1.
the stage or period of greatest vigor, strength, success, etc.; prime:
the heyday of the vaudeville stars.
2.
Archaic. high spirits.
Origin of heyday1
1580-1590
1580-90; variant of high day, apparently by confusion with heyday2

heyday2

[hey-dey] /ˈheɪ deɪ/
interjection, Archaic.
1.
(used as an exclamation of cheerfulness, surprise, wonder, etc.)
Origin
1520-30; rhyming compound based on hey; replacing heyda < German hei da hey there
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for heyday
Contemporary Examples
Historical Examples
  • Jack's face, when I told him about it, was so woebegone that I felt a stab of remorse, even in the heyday of my delight.

  • If childhood is the sunrise of life, youth is the heyday of life's ruddy June.

    Gov. Bob. Taylor's Tales Robert L. Taylor
  • Page 11, restored chapter head poetry from Fireside Companion version and changed "heydey" to "heyday."

    Kathleen's Diamonds Mrs. Alex. McVeigh Miller
  • In the heyday of my youth I could fly around the world in five hours.

    David and the Phoenix Edward Ormondroyd
  • She was rather tall than otherwise, and the contour of her head and shoulders denoted a girl in the heyday of youth and activity.

    A Laodicean Thomas Hardy
British Dictionary definitions for heyday

heyday

/ˈheɪˌdeɪ/
noun
1.
the time of most power, popularity, vigour, etc; prime
Word Origin
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
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Word Origin and History for heyday
n.

late 16c., alteration of heyda (1520s), exclamation of playfulness or surprise, something like Modern English hurrah, apparently an extended form of Middle Elish interjection hey or hei (see hey). Modern sense of "stage of greatest vigor" first recorded 1751, which altered the spelling on model of day, with which this word apparently has no etymological connection.

Online Etymology Dictionary, © 2010 Douglas Harper
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Word Value for heyday

16
13
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