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

What followed solidified Bentley’s status as a luxury automotive powerhouse. —Sean Evans, Robb Report, 21 Oct. 2025

Anthony Kim, a research fellow in international economic affairs at the Heritage Foundation, said Japan and South Korea are eager to work with the administration to solidify partnerships. —Chris Megerian, Fortune, 21 Oct. 2025

Last evening, Hadid solidified the trend as one to have on your radar in the coming months. —Kelsey Stewart, Footwear News, 21 Oct. 2025

The sleek, asymmetrical style is often seen on celebrities, including Cardi B and Ayo Edebiri, and solidifies that short hair is good hair, too. —Essence, 21 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