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

• concrete
• congeal
• firm (up)
• freeze
• harden
• indurate
• set

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

Pfizer’s patents on its Covid-19 vaccine have solidified its market leadership while addressing global needs. —Tami Saito, Forbes.com, 23 Apr. 2025

Since the original Shrek film held its premiere on April 22, 2001, a slew of memorable fairytale characters have been born into the famed franchise's universe and undoubtedly solidified themselves into pop culture history. —Skyler Caruso, People.com, 22 Apr. 2025

Neither solidifies nor disqualifies him as a productive future pro. —Pat Leonard, New York Daily News, 21 Apr. 2025

While the film was initially an underappreciated gem, its induction into the National Film Registry in 2023 has solidified its place as a staple of contemporary Black culture and American cinema. —EW.com, 21 Apr. 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