solidify

verb

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

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

Synonyms of solidify

Relevance
See All Synonyms & Antonyms in Thesaurus

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.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The countdown to kickoff and the constant chants solidify it. — Dominick Williams, Kansas City Star, 3 July 2026 It was made using a 3D printing technique in which a liquid resin solidifies instantly when exposed to UV laser light. — Atharva Gosavi, Interesting Engineering, 30 June 2026 Olive oil in particular may turn cloudy or partially solidify when chilled, but will return to normal after 15 to 20 minutes at room temperature. — Anne Wolf, Martha Stewart, 1 July 2026 Some car redesigns are desperately needed so a model can compete in its segment, while others solidify top positions for competitive vehicles that only get better with time. — Charles Singh, USA Today, 2 July 2026 See All Example Sentences for solidify

Word History

First Known Use

1799, in the meaning defined at transitive sense 1

Time Traveler
The first known use of solidify was in 1799

Rhymes for solidify

See All Rhymes for solidify

Browse Nearby Words

solidifier
solidify
solid injection
See all Nearby Words

Cite this Entry

“Solidify.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/solidify. Accessed 7 Jul. 2026.

Copy Citation

Kids Definition

solidify

verb
so·​lid·​i·​fy sə-ˈlid-ə-ˌfī How to pronounce solidify (audio)
solidified; solidifying
: to make or become solid, compact, or hard

More from Merriam-Webster on solidify

Nglish: Translation of solidify for Spanish Speakers

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

Popular in Grammar & Usage

See More

Is that lie 'bald-faced' or 'bold-faced'?

'A' or 'an'? What about before 'h'? An Indefinite Article Guide

Why is '-ed' sometimes pronounced at the end of a word?

Commonly Misspelled Words

How to Use Em Dashes (—), En Dashes (–) , and Hyphens (-)
See More

Popular in Wordplay

See More

14 Phobias You Probably Haven't Heard Of

The Longest Long Words List

One-Word Oxymorons: Bittersweet, Spendthrift, and More

Ten Words Ending with a Silent ‘T’

12 Lovely and Unusual Words for the Natural World
See More

Popular

See More

Is that lie 'bald-faced' or 'bold-faced'?

14 Phobias You Probably Haven't Heard Of

The Longest Long Words List
See More

Games & Quizzes

See All
Play Quordle: Guess all four words in a limited number of tries. Each of your guesses must be a real 5-letter word.
Quordle Can you solve 4 words at once?
Play Blossom: Solve today's spelling word game by finding as many words as you can using just 7 letters. Longer words score more points.
Blossom Pick the best words!
Play Missing Letter: a crossword with a twist. Each of the 25 puzzle words start with a different letter of the alphabet. Which letter is missing?
The Missing Letter A daily crossword with a twist
hangman letters and game
Hangman Lightning Round Figure out which word fits in the blanks.
See All