Definition of SOUNDNESS

soundness

Plural: soundnesses

Noun

  • a state or condition free from damage or decay
  • the quality of being prudent and sensible
  • the muscle tone of healthy tissue
  • The state or quality of being sound.
  • The result or product of being sound.
  • The property (of an argument) of not only being valid, but also of having true premises.
  • The property of a logical theory that whenever a wff is a theorem then it must also be valid. Symbolically, letting T represent a theory within logic L, this can be represented as the property that whenever T⊢φ is true, then T⊨φ must also be true, for any wff φ of logic L.

Origin / Etymology

From Middle English soundenes, soundnes, from Old English *sundnes, *ġesundnes (attested in onsundnes), from Proto-West Germanic *sundnassī (“soundness, health”); equivalent to sound + -ness. Cognate with West Frisian sûnens (“soundness, health”), Middle Low German suntnisse (“soundness, health”), Middle High German suntnisse (“soundness, health”), German Gesundnis (“health”).

Synonyms

firmness, wisdom, wiseness

Antonyms

unsoundness

Scrabble Score: 10

soundness: valid Scrabble (US) TWL Word
soundness: valid Scrabble Word in Merriam-Webster MW Dictionary
soundness: valid Scrabble Word in International Collins CSW Dictionary

Words With Friends Score: 13

soundness: valid Words With Friends Word