solidify
Americanverb (used with object)
verb (used without object)
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to become solid.
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to form into crystals; become crystallized.
verb
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to make or become solid or hard
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to make or become strong, united, determined, etc
Other Word Forms
Derived Forms
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solidifiabilitynoun
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unsolidifiedadjective
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nonsolidifiedadjective
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solidifiablenessnoun
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nonsolidifyingadjective
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solidifiernoun
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resolidifyverb
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solidifiableadjective
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solidificationnoun
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oversolidifyverb (used with object)
Conjugated Forms
Present
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has solidifiedperfect 3rd person singular
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have solidifiedperfect
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are solidifyingprogressive
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have been solidifyingperfect progressive
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has been solidifyingperfect progressive 3rd person singular
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is solidifyingprogressive 3rd person singular
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solidifiessingular 3rd person
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am solidifyingprogressive 1st person singular
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solidifyingparticiple
Past
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had solidifiedperfect
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was solidifyingprogressive singular
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solidifiedsimple
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had been solidifyingperfect progressive
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were solidifyingprogressive plural
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solidifiedparticiple
Future
Etymology
Origin of solidify
From the French word solidifier, dating back to 1790–1800. See solid, -ify
Explanation
To solidify is to make something solid, like water becoming ice, or a plan becoming more concrete. If you’re meeting a friend, you should solidify the plan before you go and decide where and what time to meet. To solidify is to become a solid, like lemonade solidifying into a popsicle, or dissolved sugar solidifying into yummy rock candy. Also, this word can apply to non-physical things. If a couple gets engaged, they're solidifying their relationship. Getting a promotion could solidify your career. Anything becoming firmer or more real is a type of solidifying. In any sense, whatever gets solidified becomes stronger.
Vocabulary lists containing solidify
Red Flags and Butterflies
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"Understanding Axons, Dendrites and Synapse" and "What’s Going On in Your Brain?"
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The Black Girl Survives in This One
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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.
“I see a position to solidify myself here as well among the very greats,” he said.
From Los Angeles Times • Jun. 2, 2026
These pockets of magma often become trapped beneath the lithosphere, where they slowly cool and solidify into CO2-rich igneous rocks.
From Science Daily • May 26, 2026
In October, they swept aside Brendan Rodgers' side 3-1 at Tynecastle to solidify their title credentials.
From BBC • May 15, 2026
“Instead, Black voters from these areas were dispersed across multiple districts, . . . which may solidify Democratic support but are not necessarily structured to enhance Black political influence.”
From The Wall Street Journal • May 10, 2026
Inch by inch, Clare saw his fate solidify.
From "The Undead Fox of Deadwood Forest" by Aubrey Hartman
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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.