Main Entry:: ¹sound
Pronunciation:: \ˈsau̇nd\
Function:: adjective
Etymology:: Middle English, from Old English gesund; akin to Old High German gisunt healthy
Date:: 13th century

1 a: free from injury or disease b: free from flaw, defect, or decay2: solid , firm ; also : stable3 a: free from error, fallacy, or misapprehension <sound reasoning> b: exhibiting or based on thorough knowledge and experience <sound scholarship> c: legally valid <a sound title> d: logically valid and having true premises e: agreeing with accepted views : orthodox4 a: thorough b: deep and undisturbed <a sound sleep> c: hard , severe <a sound whipping>5: showing good judgment or sense <sound advice>

synonyms see healthy, valid

— sound·ly

\ˈsau̇n(d)-lē\ adverb

— sound·ness

\ˈsau̇n(d)-nəs\ noun

Learn more about "sound" and related topics at Britannica.com

See a map of "sound" in the Visual Thesaurus

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