Examples of unsound in a Sentence
The roof is structurally unsound.
disgruntled relatives tried to prove that the woman was of unsound mind when she made her will
Recent Examples on the Web
What becomes alarmingly evident through the key assumptions check is how many of the current responses expect a quick resolution of the conflict — a supposition that is unsound, or at least unsupported.
—
Judd Devermont, semafor.com, 27 Apr. 2026
The logic behind Liam Rosenior’s shift to a back five at Brighton & Hove Albion on Tuesday was not entirely unsound.
—Conor O'Neill, New York Times, 22 Apr. 2026
What is deeply concerning is that the District Attorney is choosing to proceed on a case that is fundamentally unsound and cannot be proven at trial.
—ABC News, 2 Apr. 2026
This not only makes the shade problem worse, Chamberlain says, but makes the tree more structurally unsound and vulnerable to damage in harsh weather conditions.
—Peg Aloi, The Spruce, 30 Mar. 2026
See All Example Sentences for unsound
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Judd Devermont, semafor.com, 27 Apr. 2026
The logic behind Liam Rosenior’s shift to a back five at Brighton & Hove Albion on Tuesday was not entirely unsound.
—Conor O'Neill, New York Times, 22 Apr. 2026
What is deeply concerning is that the District Attorney is choosing to proceed on a case that is fundamentally unsound and cannot be proven at trial.
—ABC News, 2 Apr. 2026
This not only makes the shade problem worse, Chamberlain says, but makes the tree more structurally unsound and vulnerable to damage in harsh weather conditions.
—Peg Aloi, The Spruce, 30 Mar. 2026
See All Example Sentences for unsound
Cite this Entry
“Unsound.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unsound. Accessed 1 May. 2026.
Copy CitationKids Definition
unsound
adjective
un·sound
ˌən-ˈsau̇nd 
ˈən-
1
: not healthy or whole
an unsound horse
2
: not mentally normal : not wholly sane
of unsound mind
3
: not firmly made, placed, or fixed
an unsound structure
4
: not based on truth or logic
unsound arguments
unsoundness
noun
-ˈsau̇n(d)-nəs
Medical Definition
unsound
adjective
un·sound
-ˈsau̇nd
: not sound: as
a
: not healthy or whole
an unsound limb
an unsound horse
b
: not mentally normal : not wholly sane
of unsound mind
c
: not fit to be eaten
unsound food
unsoundness
noun
Legal Definition
unsound
adjective
un·sound
ˌən-ˈsau̇nd
: not sound: as
a
: not healthy or whole
b
: not mentally normal : not wholly sane
of unsound mind
c
: not firmly made, placed, or fixed
d
: not valid or true
an unsound argument
unsoundly
adverb
unsoundness
noun
Love words? Need even more definitions?
Merriam-Webster unabridged
