solidity

S1O1L1I1D2I1T1Y4
/səˈlɪdɪti/

noun

The state or quality of being solid.

Meanings

nounsolidity (countable and uncountable, plural solidities)

plural solidities

  1. countableuncountableThe state or quality of being solid.

    The human figures in the foreground, who stand out from the canvas with lifelike truth and solidity.

    1918, James George Frazer, Folk-Lore In The Old Testament, volume 1, page 135
    1 more example

    If colours, sounds, tastes, and smells be merely perceptions, nothing we can conceive is possest of a real, continu'd, and independent existence; not even motion, extension and solidity, which are the primary qualities chiefly insisted on.

    1739, David Hume, “Book 1, part 4, section 4”, in Treatise of Human Nature
  2. countableuncountableMoral firmness; validity; truth; certainty.
  3. countableuncountablegeometryThe solid contents of a body; volume; amount of enclosed space.

Synonyms & antonyms

nounthe consistency of a solid

Similar
Opposite

nounstate of having the interior filled with matter

Opposite
Broader

nounthe quality of being solid and reliable financially or factually or morally

Similar

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

  1. Latinsoliditās
  2. Middle Frenchsolidité
  3. Englishsolidity

From solid + -ity, from Middle French solidité, from Latin soliditās.

Full word history & related roots →

Translations

Ancient Greek στερέωμα
  • στερέωμα (steréōma)the state or quality of being solid
Bulgarian твърдо състояние
  • твърдо състояние (tvărdo săstojanie)the state or quality of being solid
Catalan solidesa, soliditat
  • solidesathe state or quality of being solid
  • soliditatthe state or quality of being solid
French solidité
  • soliditéthe state or quality of being solid
German Festigkeit
  • Festigkeitthe state or quality of being solid
Hindi ठोसपन
  • ठोसपन (ṭhospan)the state or quality of being solid
Irish diongbháilteacht
  • diongbháilteachtthe state or quality of being solid
Latin soliditās
  • soliditāsthe state or quality of being solid
Romanian soliditate
  • soliditatethe state or quality of being solid
Spanish solidez
  • solidezthe state or quality of being solid
Cite this entry
APA

solidity. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/solidity

MLA

“solidity.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/solidity. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “solidity,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/solidity.

Source: solidity on Wiktionary, CC BY-SA 4.0.