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

• 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

Burns began as a forward before solidifying his calling as a defenseman, playing seven years in Minnesota and flashing his personality off the ice and thoroughbred mentally on the ice. —Michael Russo, New York Times, 7 Oct. 2025

But a decision has only just been solidified. —Scott Feinberg, HollywoodReporter, 7 Oct. 2025

The combined company will have operations in the Southeast, Texas and California, and will greatly solidify Fifth Third’s position in the Midwest. —Nicholas Gordon, Fortune, 7 Oct. 2025

Critics argue that these emergency rulings—often issued without a full briefing or detailed explanation—risk solidifying major policy shifts before courts can assess their legality. —Robert Alexander, MSNBC Newsweek, 7 Oct. 2025

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