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

First signed in 2023 and renewed for another three years with this latest commitment, the agreement solidifies the ports’ commitment to decarbonization and digitization along the trans-Pacific route, one of the world’s busiest container lanes. —Jennifer Bringle, Footwear News, 28 Apr. 2026

He's also asked Gonzalez Rogers to unwind the company's October recapitalization, which solidified its structure as a nonprofit with a controlling stake in its for-profit business. —Ashley Capoot,ari Levy, CNBC, 28 Apr. 2026

The purchase further solidifies the Hajjar family’s footprint in the regional hotel market. —K.h. Koehler, USA Today, 28 Apr. 2026

The addition of Thomas solidifies TCU’s frontcourt as Thomas could get the first opportunity to start at center alongside returning All-Big 12 forward Xavier Edmonds. —Steven Johnson, Fort Worth Star-Telegram, 27 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