solidity

noun

so·​lid·​i·​ty sə-ˈli-də-tē 

plural solidities

1

: the quality or state of being solid

2

: something solid

Synonyms of solidity

• reliability
• reliableness

Examples of solidity in a Sentence

The solidity of his convictions impressed us.

the solidity of his word is such that I don't need a written contract—or anything else

Recent Examples on the Web

The disruptions and anxieties of the AI age might make the solidity of the Church more appealing in the City of Man. —Elias Wachtel, The Atlantic, 25 Apr. 2026

Bednar has always stressed defensive solidity first, and the offense will flow from there. —Corey Masisak, Denver Post, 22 Apr. 2026

However, Burnley have been unable to replicate their defensive solidity in the Premier League; Parker’s side have conceded a league-high 68 goals. —Colin Millar, New York Times, 22 Apr. 2026

The windows, which feature energy-efficient tinted glass, sit within deep recesses that help shade the sun while giving the overall building a reassuring sense of solidity. —Edward Keegan, Chicago Tribune, 5 Apr. 2026

Word History

First Known Use

14th century, in the meaning defined at sense 1

Rhymes for solidity

• acidity
• aridity
• avidity
• cupidity
• fluidity
• humidity
• liquidity
• lucidity
• morbidity
• placidity
• rancidity
• rapidity

Kids Definition

solidity

noun

so·​lid·​i·​ty sə-ˈlid-ət-ē 

plural solidities

1

: the quality or state of being solid

2

: something solid