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

More than 150,000 Brownies were shipped that first year, blowing away company expectations and solidifying Kodak as an industry giant that would become a part of everyday American life. —Marcia Greenwood, USA Today, 15 Apr. 2026

The next step would be to solidify the wingers to complement him. —Kalen Lumpkins, Chicago Tribune, 15 Apr. 2026

Miller said Monday that the Wings felt four players separated themselves at the top of this year’s draft, but Fudd solidified as their pick once dominoes started to fall in free agency. —Emily Adams, Hartford Courant, 14 Apr. 2026

While the City Council is likely to approve the proposal on Thursday, that vote would not officially solidify the team’s move near downtown. —Kacen Bayless, Kansas City Star, 14 Apr. 2026

Word History

First Known Use

1799, in the meaning defined at transitive sense 1

Rhymes for solidify

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

Kids Definition

solidify

verb

so·​lid·​i·​fy sə-ˈlid-ə-ˌfī 

solidified; solidifying

: to make or become solid, compact, or hard