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

Many Republicans view the legislation as Trump's signature domestic policy win, solidifying his agenda for years to come. —Billal Rahman, MSNBC Newsweek, 14 July 2025

While some observed slight banding in certain HDR10 content, recent updates appear to have largely resolved the issue—solidifying the G5 as the TV to beat in 2025. —Ryan Waniata, Wired News, 11 July 2025

The inner core formed roughly a billion years ago as Earth’s interior finally began to cool and solidify following its formation. —Jake Parks, Discover Magazine, 9 July 2025

Heading into a pivotal third season, Smith will need to take a step forward in solidifying the team’s run defense efforts in order to keep his starting position. —Nick Harris july 9, Fort Worth Star-Telegram, 9 July 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