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solidify

American  
[suh-lid-uh-fahy] / səˈlɪd əˌfaɪ /

verb (used with object)

  • solidifies,
    present (3rd person singular)
  • solidified,
    past participle,  past
  • solidifying
    present participle
  1. to make solid; make into a hard or compact mass; change from a liquid or gaseous to a solid form.

  2. to unite firmly or consolidate.

  3. to form into crystals; make crystallized.


verb (used without object)

  • solidifies,
    present (3rd person singular)
  • solidified,
    past participle,  past
  • solidifying
    present participle
  1. to become solid.

  2. to form into crystals; become crystallized.

solidify British  
/ səˈlɪdɪˌfaɪ /

verb

  1. to make or become solid or hard

  2. to make or become strong, united, determined, etc

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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Present

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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.

Keep Reading on Vocabulary.com

Vocabulary lists containing solidify

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.

See Examples For:

To borrow a favorite buzz word of executives across baseball, they’ll be opportunistic, as they look for ways to solidify the roster for the stretch run and into the playoffs.

From Los Angeles Times Jul. 27, 2026

But a lot has to go right for this plastic moment to solidify into something better.

From BBC Jul. 5, 2026

It also raises the possibility that Comcast could potentially acquire Charter Communications to solidify itself as the top provider in the U.S.

From Barron's Jun. 29, 2026

He was smart enough to give you a compliment, which can often help solidify a friendship.

From MarketWatch Jun. 8, 2026

A fellow had to get it down his gullet quickly before it began to solidify, or he would gag on it.

From "The Boys in the Boat: Nine Americans and Their Epic Quest for Gold at the 1936 Berlin Olympics" by Daniel James Brown

And Lamine Yamal appears ready for a goal-scoring breakout, a moment that solidifies his place as the sport’s current superstar.

From The Wall Street Journal Jul. 19, 2026

Dariely Rodriguez, chief counsel at the Lawyers' Committee for Civil Rights Under Law, said that the ruling "solidifies what we have known to be true for over a hundred years".

From BBC Jun. 30, 2026

Before it solidifies, it fills small gaps and uneven areas where oxygen levels tend to be lowest and infection risk highest.

From Science Daily Feb. 22, 2026

"The 49ers are a popular franchise within the Australian market and this rivalry game solidifies what we know is going to be an incredible NFL experience for our fans Down Under."

From Barron's Feb. 5, 2026

But for some reason, hearing Autumn say it in a garden that pulls the unfiltered truth out of you … it just solidifies what I already knew.

From "Kwame Crashes the Underworld" by Craig Kofi Farmer

Forty years later, the Paris Paralympics solidified the movement’s position as one of the largest sporting events in the world.

From Los Angeles Times Aug. 16, 2026

Most Asian stocks rose Friday as another soft US inflation reading solidified expectations the Federal Reserve will hold off hiking interest rates, while a further drop in oil prices added to the upbeat mood.

From Barron's Aug. 14, 2026

As a manager, he returned to Newcastle in 1992 and solidified his position as a Tyneside legend when he led the Toon to second place in 1995-96.

From BBC Jul. 21, 2026

Large groups of these intrusions, called dike swarms, can preserve a record of intense volcanic activity long after the magma has solidified.

From Science Daily Jul. 18, 2026

What she saw was how her mother stood there, suddenly immobile, as if her veins had solidified within her.

From "Scythe" by Neal Shusterman

Chinese carmakers recorded another jump in European monthly sales in June, solidifying their position as mighty competitors for local auto companies that are seeking to reinvigorate growth.

From The Wall Street Journal Jul. 23, 2026

On July 4, Leo is scheduled to visit another port of call for migrants entering Europe, the Italian island of Lampedusa, solidifying the plight of migrants as a hallmark of his papacy.

From Barron's Jun. 12, 2026

AI giant is solidifying its Claude Partner Network to help demonstrate ‘durability of revenue’ as it nears going public.

From The Wall Street Journal Jun. 3, 2026

The billionaire investor, now 95, added that highlighting how you want others to remember you can give you a blueprint for avoiding mistakes and solidifying your reputation.

From MarketWatch May 19, 2026

He spent half of my leave introducing me to the heads of powerful houses and the other half railing at me for not solidifying as many alliances as possible.

From "An Ember in the Ashes" by Sabaa Tahir

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