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

This demonstration effect served to intimidate potential rivals and solidify internal control. —Frank Lavin, Forbes.com, 4 May 2025

While Staal and Aho solidify this team on both ends of the ice, Taylor Hall brings an offensive spark to the second line. —The Athletic Nhl, New York Times, 3 May 2025

Now, Huang is dominating the romance genre herself, even solidifying a place on the Top 5 bestselling BookTok authors with over 1.47 million copies sold in 2024, according to Forbes. —Clare Mulroy, USA Today, 2 May 2025

Known for hosting legendary Fourth of July parties at the estate, Swift is reportedly undertaking a $1.7 million expansion—a new bedroom suite, additional bathrooms, and a full kitchen renovation—solidifying the estate’s status as a coastal palace befitting pop royalty. —Abby Montanez, Robb Report, 2 May 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