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

Furthermore, Riot’s hash rate—the computational power assigned to mining—has increased significantly year-over-year, further solidifying its production capacity and long-term revenue prospects. —Trefis Team, Forbes.com, 22 Jan. 2026

Indeed, the market rebound solidified in late April and into May as progress on trade deals eased uncertainty. —Paulina Likos, CNBC, 22 Jan. 2026

The Faroes formed over 50 million years ago as volcanoes erupted, blanketing the land in flows of lava that solidified into basalt. —Maya Silver, Outside, 20 Jan. 2026

Or can one of the interviews this week solidify enough confidence to make the hire? —Nick Harris, Fort Worth Star-Telegram, 20 Jan. 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