grout
Americannoun
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a thin, coarse mortar poured into various narrow cavities, as masonry joints or rock fissures, to fill them and consolidate the adjoining objects into a solid mass.
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a coat of plaster for finishing a ceiling or interior wall.
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Usually grouts. lees; grounds.
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Archaic.
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coarse meal or porridge.
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grouts, groats.
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verb (used with object)
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to fill or consolidate with grout.
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to use as grout.
noun
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a thin mortar for filling joints between tiles, masonry, etc
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a fine plaster used as a finishing coat
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coarse meal or porridge
verb
Other Word Forms
Derived Forms
Conjugated Forms
Present
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has groutedperfect 3rd person singular
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have groutedperfect
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has been groutingperfect progressive 3rd person singular
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is groutingprogressive 3rd person singular
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are groutingprogressive
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have been groutingperfect progressive
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am groutingprogressive 1st person singular
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groutingparticiple
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groutssingular 3rd person
Past
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had groutedperfect
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was groutingprogressive singular
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were groutingprogressive plural
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groutedparticiple
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had been groutingperfect progressive
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groutedsimple
Future
Etymology
Origin of grout
before 1150; Middle English; Old English grūt; see grits, groats, grit
Explanation
Grout is a paste or putty that you use to fill in the spaces between tiles or along the edge of a tub. When grout dries, it keeps tiles in place, and once it's sealed, it protects against moisture. An old-fashioned meaning of grout is "porridge or gruel," from the Old English gruta, "coarse meal," and a root meaning "to grind." These days you don't eat grout, but instead use it in home improvement projects, especially between floor or wall tiles. As a verb, to grout means "to apply grout."
Vocabulary lists containing grout
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Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Because Xu is a foreign national, Judge Grout told him he was "liable in principle" to be returned to his "country of origin, which is China".
From BBC • Nov. 14, 2025
“We had to come down to make the attempt,” Grout said.
From Los Angeles Times • Aug. 15, 2024
Grout pads are concrete slabs that anchor the track.
From Washington Post • Feb. 24, 2023
Grout has improved a lot since the 1970s.
From Slate • Jan. 9, 2023
Tracker Charles Grout can spot a footprint from a moving Ford Bronco.
From "Enrique's Journey" by Sonia Nazario
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.
