Dictionary
unsound
adjective un·sound \-ˈsau̇nd\
: not based on truth or logic : not showing good judgment
: poorly built or in bad condition
Full Definition of UNSOUND
: not sound: as a : not healthy or whole <an unsound horse> b : not mentally normal : not wholly sane <of unsound mind> c : not firmly made, placed, or fixed <structurally unsound> d : not valid or true : invalid, specious <unsound beliefs>
— un·sound·ly \-ˈsau̇n(d)-lē\ adverb
See unsound defined for English-language learners
See unsound defined for kids
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First Known Use of UNSOUND
14th century
Related to UNSOUND
- Synonyms
- balmy, barmy [chiefly British], bats, batty, bedlam, bonkers, brainsick, bughouse [slang], certifiable, crackbrained, cracked, crackers, crackpot, cranky [dialect], crazed, crazy, cuckoo, daffy, daft, demented, deranged, fruity [slang], gaga, haywire, kooky (also kookie), loco [slang], loony (also looney), loony tunes (or looney tunes), lunatic, mad, maniacal (also maniac), mental, meshuga (or meshugge also meshugah or meshuggah), moonstruck, non compos mentis, nuts, nutty, psycho, psychotic, scatty [chiefly British], screwy, unbalanced, unhinged, insane, wacko (also whacko), wacky (also whacky), wud [chiefly Scottish]
- Antonyms
- balanced, compos mentis, sane, sound, uncrazy
Rhymes with UNSOUND
abound, aground, around, astound, background, bloodhound, boozehound, brassbound, break ground, campground, chowhound, clothbound, come round, compound, confound, coonhound, deerhound, deskbound, dumbfound, earthbound, eastbound, elkhound, expound, fairground, fogbound, foot-pound, foreground, foxhound, gain ground, go-round, greyhound, half-bound, hardbound, hellhound, hidebound, high ground, homebound, horehound, housebound, icebound, impound, inbound, ironbound, lose ground, newfound, newshound, northbound, outbound, playground, pot-bound, profound, propound, rebound, redound, renowned, resound, rockbound, rock hound, scent hound, sight hound, sleuthhound, smooth hound, snowbound, softbound, southbound, spellbound, staghound, stone-ground, stormbound, strikebound, surround, to ground, top round, unbound, unround, well-found, westbound, wolfhound, year-round
UNSOUND Defined for Kids
unsound
adjective un·sound \ˌən-ˈsau̇nd\
Definition of UNSOUND for Kids
1
: not based on good reasoning or truth <an unsound argument> <unsound advice>
2
: not firmly made or placed <an unsound building>
3
: not healthy or in good condition <unsound teeth>
4
: being or having a mind that is not normal
Medical Dictionary
unsound
adjective un·sound \-ˈsau̇nd\
Medical Definition of UNSOUND
: 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>
—un·sound·ness noun
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