any of various plants, especially of the genera Ipomoea and Convolvulus, as I. purpurea, a twining plant having cordate leaves and funnel-shaped flowers of various colors, often opening only in the morning.
a racehorse that runs faster in morning workouts than in afternoon races.
An Americanism dating back to 1805–15
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
"Bill, you beautiful specimen of a man," gushed James Corden, "For so much of my life, you were my morning glory and I will miss waking up with you every day."
From BBC • Sep. 1, 2022
Although most gardeners have a complicated relationship with morning glory, this singular annual is a treasure and will not colonize the garden like nasty bindweed.
From Seattle Times • Jul. 2, 2022
Most of the grounds were covered with refuse and thickets of common SoCal landscaping plants — jades, ivy, vinca and morning glory — and he’s been reshaping the garden ever since.
From Los Angeles Times • Jun. 13, 2022
I’ll go first: Many years ago, I sowed a handful of morning glory seeds at the foot of the arbor surrounding my front gate.
From Washington Times • May 24, 2022
The blossoms on the morning glory vine were little tight blue fists, and you could hear husky sighing from the cornfield across the fence.
From "A Long Way from Chicago" by Richard Peck
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
