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Definition of solidity

solidity

/səˈlɪd.ə.ti/
so · lid · i · ty
Adverb:solidly
•
Plural:solidities
•
Adjective:solid
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solidity Lexical Profile

solidity Game Scores & Validity

• noun

1

The state or quality of being physically firm, hard, or dense, rather than liquid, gaseous, or hollow.

Example

"Engineers tested the solidity of the bedrock before laying the bridge's massive foundations."

2

Dependability, soundness, or stability of character, intellect, or financial standing.

Example

"Investors were reassured by the financial solidity of the long-established company."

Synonyms
View all synonyms for solidity
Antonyms
View all antonyms for solidity

Word Nuance & Usage

Do not confuse 'solidity' (physical firmness or structural soundness) with 'solidarity' (unity or mutual support within a group).

• Rhymes for solidity

• Nearby Words

solidification
solidifier
solidify
solidity
solidly
solidness
solitaire

Word Origin & Etymology

Borrowed in the 16th century from Middle French solidité, from Latin soliditas ('firmness, denseness'), derived from solidus ('firm, whole, undivided').

Cite this Entry

Wordmom. (2026). Definition of Solidity. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/solidity
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