Standard Lemma guide

soundness

noun · 7 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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  • CMU ARPABET: S AW1 N D N AH0 S Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

noun

Meaning 1

The state or quality of being sound.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

The result or product of being sound.

Definition source: English Wiktionary via Wiktextract

Usage: countable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

The property (of an argument) of not only being valid, but also of having true premises.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: human-sciences, logic, mathematics, philosophy, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

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.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: human-sciences, logic, mathematics, philosophy, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

5

noun

Meaning 5

the muscle tone of healthy tissue

Definition source: Princeton WordNet 3.0

Examples

  • his muscular firmness

Meaning relationships

Synonyms: firmness

Antonyms: unsoundness

Broader terms: strength

6

noun

Meaning 6

the quality of being prudent and sensible

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: wisdom, wiseness

Antonyms: unsoundness

Broader terms: good, goodness

Narrower terms: advisability, reasonableness

7

noun

Meaning 7

a state or condition free from damage or decay

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: unsoundness

Broader terms: condition, status

Narrower terms: seaworthiness, fitness, airworthiness

History

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”).

Across languages

Translations

15 source translations are retained for this English entry.

  • Irish: folláine — the state or quality of being sound
  • Norwegian Nynorsk: heilskap — the state or quality of being sound
  • Norwegian Nynorsk: traustleik — the state or quality of being sound
  • Norwegian Nynorsk: rettkomenskap — the state or quality of being sound
  • Norwegian Nynorsk: rettvise — the state or quality of being sound
  • Romanian: trăinicie — the state or quality of being sound
  • Romanian: soliditate — the state or quality of being sound
  • Romanian: robustețe — the state or quality of being sound
  • Norwegian Nynorsk: heilskap — the result or product of being sound
  • Norwegian Nynorsk: traustleik — the result or product of being sound
  • Norwegian Nynorsk: rettkomenskap — the result or product of being sound
  • Norwegian Nynorsk: rettvise — the result or product of being sound
  • Romanian: soliditate — the result or product of being sound
  • Catalan: completesa — the property of logical theory
  • Spanish: completitud — the property of logical theory