so·​lid·​i·​fy | \sə-ˈli-də-ˌfī \
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 \ 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

Cheap prints of such scenes, Mr. Lambert observes, served a market beyond the republic’s elites, helping to solidify a broad maritime character. William Anthony Hay, WSJ, "‘Seapower States’ Review: Ruling Over the Seas," 23 Nov. 2018 The prospect of Hillary Clinton appointing Antonin Scalia’s replacement, after the justice died in early 2016, also helped solidify Trump’s standing among top conservatives. Matt Ford, The New Republic, "A Watershed Moment in American History," 10 July 2018 These real estate company relationships could help to solidify Airbnb as a welcome and reliable service within communities, turning it from upstart to institution. Jessi Hempel, WIRED, "Airbnb's Newest Weapon Against Regulation: The Real Estate Industry," 3 July 2018 The addition of Loyola-Chicago, which was ranked 17th in ESPN’s Way-Too-Early Top 25, helps solidify a non-conference schedule that should be the most competitive since Maryland coach Mark Turgeon came to College Park in 2011. Don Markus,, "Report: Maryland close to finalizing game against Loyola-Chicago in Baltimore," 29 June 2018 And while temperatures are already unusually chilly along the East Coast, darker mornings seem to solidify a certain 'linger-under-the-covers' state of mind. Jenna Rennert, Vogue, "8 Eye Masks For the Best Beauty Sleep of Your Life," 29 Oct. 2018 More research is necessary to solidify this connection. Korin Miller, SELF, "Does Coconut Oil Actually Work Any Magic on Eczema?," 19 July 2018 After tying the knot, work as a couple to solidify your goals and then create a spending plan to track your progress. W. David Kern,, "How and why new couples should talk about finances," 11 July 2018 The Iranian regime saw the Iran-Iraq war as an opportunity to solidify the revolution by rallying Iranians against a common enemy. Eliora Katz, WSJ, "Iranians Are Now Chanting ‘Death to Palestine’," 13 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

9 Dec 2018

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Time Traveler for solidify

The first known use of solidify was in 1799

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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 \
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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having a pattern of small flowers

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