adj
unsound
uhn-SOWND
Unsound (adj) means not structurally solid; weak or defective. Example: “Engineers condemned the bridge as structurally unsound.”
adj
1
Not structurally solid; weak or defective.
"Engineers condemned the bridge as structurally unsound."
2
Not mentally or physically healthy.
"The defence argued the suspect was of unsound mind at the time."
3
Not reliable or well-founded, as of an argument or judgement.
"Critics called the economic theory unsound and outdated."
How to use unsound
Learner’s notesIn plain EnglishWeak or faulty — physically, mentally, or logically.
Common pairings
structurally unsound
unsound mind
unsound argument
Vocabulary Flow
Build your vocabulary from words like unsound.
Vocabulary Flow serves the next word, and the next — meaning, pronunciation and an example each time. Practice at your level, or learn English in your own language.
Start vocabulary practice
Word forms
- Comparative
- more unsound, unsounder
- Superlative
- most unsound, unsoundest
Fill the gap
Can you complete this real example?
Engineers condemned the bridge as structurally _____.
Synonyms
View more →Antonyms
Related words
Rhymes for unsound
See all rhymes for unsound →Frequently asked questions
What does “unsound” mean?
The word “unsound” means not structurally solid; weak or defective. In plain terms, weak or faulty — physically, mentally, or logically.
How do you pronounce “unsound”?
“Unsound” is pronounced uhn-SOWND (/ˌʌnˈsaʊnd/ in IPA).
How do you use “unsound” in a sentence?
Here is “unsound” used in a sentence: “Engineers condemned the bridge as structurally unsound.”
What is the opposite of “unsound”?
The opposite of “unsound” — its antonyms — is sound.
What part of speech is “unsound”?
“Unsound” is an adjective.
How many meanings does “unsound” have?
“Unsound” has 3 distinct senses listed in this dictionary. The most common is: not structurally solid; weak or defective.
