solidify

verb

so·​lid·​i·​fy sə-ˈli-də-ˌfī 

solidified; solidifying

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 

noun

Synonyms of solidify

• freeze
• harden
• stiffen

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

Building on this momentum, Lagerfeld brought the show to Los Angeles in 2007, further solidifying Chanel’s position at the forefront of French luxury in America. —Tonya Blazio-Licorish, Footwear News, 26 May 2026

It’s been about a year since Breakker first appeared to be on the cusp of solidifying himself as a top star, and yet, something unfortunately always seems to prevent that from happening. —Blake Oestriecher, Forbes.com, 26 May 2026

In northeastern California lies a series of caves that formed thousands of years ago when volcanoes erupted lava that later solidified, leaving behind tunnels wide enough for humans to walk through. —Tom Brown, Space.com, 25 May 2026

That gives the existing members of Houston’s rotation at least a month to solidify their case for remaining there. —Chandler Rome, New York Times, 25 May 2026

Word History

First Known Use

1799, in the meaning defined at transitive sense 1

Rhymes for solidify

• acidify
• alveoli
• antinomy
• areolae
• demystify
• detoxify
• disqualify
• diversify
• electrify
• exemplify
• fasciculi
• identify

Kids Definition

solidify

verb

so·​lid·​i·​fy sə-ˈlid-ə-ˌfī 

solidified; solidifying

: to make or become solid, compact, or hard