solidity

noun

so·​lid·​i·​ty sə-ˈli-də-tē 

plural solidities

1

: the quality or state of being solid

2

: something solid

Synonyms

• 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

This was a day on which Arsenal relied on the solidity of Raya, Gabriel and William Saliba to secure the result. —James McNicholas, New York Times, 18 Aug. 2025

That kind of defensive solidity should serve them well in the Premier League, but the departure of James Trafford for Manchester City is a tough blow. —Dan Cancian, Forbes.com, 15 Aug. 2025

The build quality of the tripod and the tight tolerances of the engineering add to the overall stability and solidity of both tripods. —Mark Sparrow, Forbes.com, 6 Aug. 2025

But Cristobal and truckloads of NIL money lured Beck from Georgia in the portal for continued solidity at the essential postion. —Miami Herald, 31 July 2025

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