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.
In the original morning glory populations, the researchers estimated that adaptation was occurring at about 76% of the rate expected if covariance between traits were not taken into account.
From Science Daily ● Sep. 4, 2026
Cobaea, or any morning glory or nasturtium relative, is sown in May in the greenhouse or under lights.
From Seattle Times ● Jan. 17, 2024
And the crispy morning glory salad is delicious.
From Los Angeles Times ● May 26, 2023
"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
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
The analysis showed average air temperatures below 66 or above 77 degrees Fahrenheit made fomesafen, glyphosate, and mesotrione -- representing three herbicide sites of action -- less effective on waterhemp, giant foxtail, and morning-glory species.
From Science Daily ● Nov. 19, 2024
It’s lovely in its way, with a mass of morning-glory vines softening things up, and, in lieu of actual trees, a mural of woodland scenes painted along the outside wall.
From The New Yorker ● Jun. 28, 2010
So thick were the morning-glory vines on some of the islets that the scientists had to hack their way through with machetes.
From Time Magazine Archive
When the congregation was invited to "donate something which has meaning to you," the collection plate yielded little money but plenty of beads, marbles, a draft card and even a package of morning-glory seeds.
From Time Magazine Archive
A bureau of cherry-tree wood, with two or three stiff wooden chairs, an oaken arm-chair with a broad, splint bottom, stood by the window, with its curtain of sweetbrier and morning-glory vines.
From Silent Struggles by Ann S. (Ann Sophia) Stephens
Spin the wheel and learn a new word!
Get a wordDefinitions 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.
