so·​lid·​i·​fy | \ sə-ˈli-də-ˌfī How to pronounce solidify (audio) \
solidified; solidifying

Definition of solidify

transitive verb

1 : to make solid, compact, or hard
2 : to make secure, substantial, or firmly fixed factors that solidify public opinion

intransitive verb

: to become solid, compact, or hard

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Other Words from solidify

solidification \ sə-​ˌli-​də-​fə-​ˈkā-​shən How to pronounce solidification (audio) \ noun

Synonyms & Antonyms for solidify


concrete, congeal, firm (up), freeze, harden, indurate, set


liquefy (also liquify), soften

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Examples of solidify in a Sentence

Work is under way to solidify the concrete that supports the building. Hot wax solidifies as it cools. Recent findings helped to solidify our position. The international community is working to solidify its alliances.
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Recent Examples on the Web

How Roger Ailes solidified his political and media power and what drove him is the core of this miniseries about the late Fox News Channel mastermind. Washington Post, "Sexy dramas, big-money games, Ailes film heat up summer TV," 7 June 2019 When each layer solidifies, an overhead arm raises the growing 3D gel slight, enough to expose liquid to the next image from the projector. David Grossman, Popular Mechanics, "Scientists Successfully 3D Print an Organ That Mimics Lungs," 3 May 2019 Eventually, that becomes a routine, which becomes more solidified over time. Sean Illing, Vox, "A divorce lawyer’s guide to staying together," 3 Dec. 2018 Seo said goose-stepping soldiers likely began appearing in parades between the late 1950s and early 1960s when Kim Il Sung, North Korea's founder and the grandfather of Kim Jong Un, was solidifying his grip on power. Fox News, "Past goose-steppers proud of place in North Korean parades," 6 Sep. 2018 Veith realized that this property could be invaluable in an electrolyte solution, which would solidify in response to impact and prevent the two electrodes from touching. Jennifer Ouellette, Ars Technica, "New electrolyte recipe keeps lithium-ion batteries from catching fire," 23 Aug. 2018 The younger brother of veteran NBA guards Jrue and Justin Holiday, Aaron took a big step forward at UCLA as a junior and solidified his worth as a prospect. Jeremy Woo,, "2018 NBA Draft: Aaron Holiday Scouting Report and Highlights," 18 June 2018 Shades of ashy brunette were already flooding Instagram, but Beyoncé’s recent transformation from her usual blonde hair to a darker brown solidified its place on the hot list. Nykia Spradley, Allure, "Ash Brunette Is Hottest Hair-Color Trend of the Summer," 22 May 2019 The film, which was based on the 2008 novel of the same name by Hillary Jordan, was nominated for four Academy Awards and solidified Rees' place as an A-list director., "How Will Ben Affleck's Tattoo Be Written Into This Joan Didion-Inspired Netflix Movie?," 10 July 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'solidify.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of solidify

1799, in the meaning defined at transitive sense 1

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Statistics for solidify

Last Updated

10 Jun 2019

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Time Traveler for solidify

The first known use of solidify was in 1799

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More Definitions for solidify



English Language Learners Definition of solidify

: to make (something) solid or hard or to become solid or hard
: to make (a plan, project, etc.) stronger and more certain or to become stronger and more certain


so·​lid·​i·​fy | \ sə-ˈli-də-ˌfī How to pronounce solidify (audio) \
solidified; solidifying

Kids Definition of solidify

: to make or become solid The melted wax solidified as it cooled.

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More from Merriam-Webster on solidify

Thesaurus: All synonyms and antonyms for solidify

Spanish Central: Translation of solidify

Nglish: Translation of solidify for Spanish Speakers

Britannica English: Translation of solidify for Arabic Speakers

Comments on solidify

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