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

The casting of Quaid solidifies the project’s pickup chances, with production expected to rev up this summer. —Anthony D'alessandro, Deadline, 1 Apr. 2026

This modern pickle renaissance reflects a broader trend of culinary exploration, combining nostalgia with innovation to solidify pickles as a beloved staple of contemporary American culture. —Literary Hub, 31 Mar. 2026

Being a young guy and solidifying my spot there was great. —Michael Osipoff, Chicago Tribune, 31 Mar. 2026

Last June, the Canadian government introduced Bill C-3, an Act to Amend the Citizenship Act and solidify those changes. —Colson Thayer, PEOPLE, 31 Mar. 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