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

Regardless, reaching 2,000 strikeouts further solidifies Nola’s standing as part of Phillies pitching royalty. — Charlotte Varnes, New York Times, 9 Aug. 2026

But every passing hour without any news only solidifies the grim reality her family is facing. — Kerry Burke, New York Daily News, 7 Aug. 2026

Andretti Global Racing announced Marcus Ericsson's return, solidifying its three-driver lineup for the 2027 IndyCar season. — Bruce Martin, Forbes.com, 6 Aug. 2026

McGee, Strickland and Mays are all second- or third-year players still trying to solidify themselves in the room. — Steven Johnson, Fort Worth Star-Telegram, 6 Aug. 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