Unsound

//ˌʌnˈsaʊnd//

Synonyms for "unsound" (302 found)

Ranked by relevance and common usage.

Closest matches (61)

Strong matches (90)

Related words (151)

Related word relations

OpenGloss and ConceptNet supply richer edges like generalizations, collocations, and derivations.

7 relation types

Antonyms

2 entries

Synonyms

2 entries

derived

2 entries

derived from

1 entries

has context

1 entries

related to

14 entries

similar

27 entries

Showing 16 of 27 words.

Sample sentences

9 total sentences available.

Tatoeba + Wiktionary

Tom's argument was unsound.

Source: tatoeba (9359758)

Your position is unprovable and unsound.

Source: tatoeba (10018009)

The building is structurally unsound.

Source: tatoeba (11644985)

unsound mind

Source: wiktionary

Showing 4 of 9 available sentences.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.