Keith Richards' Life is an epic account of the heyday of rock 'n' roll.
In an era when government oversight was almost nonexistent and laissez-faire capitalism was in its heyday, Kennedy excelled.
In its heyday, the miracle of AMC was always greater than the sum of its parts.
Rules of evidence, judicial procedure, and ethical standards have all been tightened and reformed since Darrow's heyday.
It's one thing for Americans to renew buildings from the 1960s, heyday of our Dream.
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.
Page 11, restored chapter head poetry from Fireside Companion version and changed "heydey" to "heyday."
In the heyday of my youth I could fly around the world in five hours.
She was rather tall than otherwise, and the contour of her head and shoulders denoted a girl in the heyday of youth and activity.
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.