Correct spelling for the English word "unsound" is [ʌnsˈa͡ʊnd], [ʌnsˈaʊnd], [ʌ_n_s_ˈaʊ_n_d] (IPA phonetic alphabet).
Unsound is an adjective that describes something that is not reliable, logical, or rational. It refers to anything that is flawed or defective in nature, lacking solidity, strength, or stability. This term often implies the presence of weaknesses, errors, or failures in reasoning, arguments, or ideas.
When referring to a decision or judgment, unsound suggests that it is not based on sound principles, valid facts, or logical considerations. It implies an imprudent or ill-advised choice that may lead to negative consequences or outcomes. Furthermore, unsound can indicate an unreliable or unstable state of mind, especially when referring to a person's mental condition or judgment. It may suggest that the individual's thoughts, ideas, or actions are not rational, sensible, or healthy.
In the realm of finance or economics, unsound often describes a precarious or deteriorating financial situation. It signifies an unstable or weak condition, most commonly associated with unsound investments, practices, or policies that pose risks or are likely to fail.
Unsound can also be used to describe physical objects or structures that are defective, faulty, or not functioning properly. It indicates a lack of durability, stability, or reliability, suggesting that the object may break, collapse, or malfunction.
Overall, the term unsound encompasses a range of contexts, including reasoning, decision-making, mental state, finance, and physical objects, all emphasizing the lack of reliability, stability, or logical foundation.
Unhealthy, morbid, defective.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Defective; infirm; sickly; not orthodox; not solid; not real; not substantial; not well established.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.
* The statistics data for these misspellings percentages are collected from over 15,411,110 spell check sessions on www.spellchecker.net from Jan 2010 - Jun 2012.
The word "unsound" originated from the Old English word "unsund" which meant "dishonest" or "wicked". It was formed by combining the prefix "un-" (meaning "not") with "sund" (meaning "sound" or "healthy"). Over time, "unsund" evolved to "unsound" and adopted its modern meaning of "lacking in integrity, reliability, or validity".