Definition of


  1. (noun, attribute) the particular auditory effect produced by a given cause
    the beautiful sound of music
  2. (noun, cognition) the subjective sensation of hearing something
  3. (noun, phenomenon) mechanical vibrations transmitted by an elastic medium
  4. (noun, event) the sudden occurrence of an audible event
  5. (noun, communication) the audible part of a transmitted signal
  6. (noun, communication) (phonetics) an individual sound unit of speech without concern as to whether or not it is a phoneme of some language
  7. (noun, object) a narrow channel of the sea joining two larger bodies of water
  8. (noun, object) a large ocean inlet or deep bay
  9. (verb, perception) appear in a certain way
  10. (verb, perception) make a certain noise or sound
    The gun went `bang'
  11. (verb, perception) give off a certain sound or sounds
  12. (verb, perception) announce by means of a sound
  13. (verb, communication) utter with vibrating vocal chords
  14. (verb, perception) cause to sound
    sound a certain note
  15. (verb, change) measure the depth of (a body of water) with a sounding line
  16. (adj, all) financially secure and safe
    a sound economy
  17. (adj, all) exercising or showing good judgment
    a healthy fear of rattlesnakes
    the healthy attitude of French laws
    healthy relations between labor and management
    an intelligent solution
    a sound approach to the problem
    sound advice
    no sound explanation for his decision
  18. (adj, all) in good condition; free from defect or damage or decay
    the wall is sound
    a sound foundation
  19. (adj, all) in excellent physical condition
    I still have one good leg
    a sound mind in a sound body
  20. (adj, all) logically valid
  21. (adj, all) having legal efficacy or force
  22. (adj, all) free from moral defect
  23. (adj, all) (of sleep) deep and complete
    fell into a profound sleep
    a sound sleeper
    deep wakeless sleep
  24. (adj, all) thorough

via WordNet, Princeton University

Antonyms of Sound

silence, unsound

Alternate forms of Sound

Derivations: sonant, sound, sounder, sounding, soundness

Hyponyms: babble, bang, beat, beep, bell, birr, blare, bleep, blow, bombilate, bombilation, bombinate, bombination, bong, boom, boom out, bubble, burble, buzz, cackel, chatter, chime, chink, chirk, chirp, chirrup, chorus, chug, clang, clangor, clangour, clank, claxon, click, click-clack, clink, clip-clop, clippety-clop, clop, clopping, clump, clumping, clunk, clunking, consonant, crack, crash, cry, din, ding, dissonance, dissonate, drip, dripping, drone, drum, drum roll, drumbeat, dub, echo, euphony, footfall, footstep, gargle, glide, glug, gong, grumble, guggle, gurgle, honk, hum, jangle, jingle, knell, knock, knocking, lap, make noise, murmur, murmuration, murmuring, music, mussitation, mutter, muttering, narrow, noise, noisiness, orinasal, orinasal phone, paradiddle, pat, patter, peal, pealing, phoneme, pierce, ping, pink, pitter-patter, play, plunk, pop, popping, prepare, pure tone, purr, quack, quaver, racket, racketiness, rap, rataplan, rattle, resonate, resound, reverberate, ring, ringing, ripple, roll, rolling, rub-a-dub, rumble, rustle, semivowel, sigh, sing, skirl, slosh, slush, snap, snarl, sonant, song, speak, splash, splat, splosh, squelch, step, strum, susurration, susurrus, swish, swoosh, swosh, tap, tapping, throbbing, thrum, thud, thump, thumping, thunk, tick, ticking, ticktack, ticktock, ting, tink, tinkle, tintinnabulation, toll, tone, toot, tootle, trample, trampling, trump, twang, tweet, twirp, twitter, ultrasound, unison, vibrate, vibrato, voice, voiced sound, vowel, vowel sound, vroom, waver, whack, whir, whirr, whirring, whish, whistle, whistling, whiz, whizz, zing, zizz

Hypernyms: aesthesis, announce, appear, articulate, auditory communication, body of water, cause to be perceived, channel, denote, enounce, enunciate, esthesis, happening, language unit, linguistic unit, look, measure, mechanical phenomenon, natural event, occurrence, occurrent, pronounce, quantify, say, seem, sensation, sense datum, sense experience, sense impression, sound out, sound property, water

Origin of the word Sound

  1. "noise," c.1280, soun, from O.Fr. son, from L. sonus "sound," from PIE *swonos, from base *swen- "to sound" (cf. Skt. svanati "it sounds," svanah "sound, tone;" L. sonare "to sound;" O.Ir. senim "the playing of an instrument;" O.E. geswin "music, song," swinsian "to sing;" O.N. svanr, O.E. sw… more
  2. "uninjured," O.E. gesund "sound, safe, healthy," from P.Gmc. *sundas, from root *swen-to- (cf. O.S. gisund, O.Fris. sund, Du. gezond, O.H.G. gisunt, Ger. gesund "healthy," source of the post-sneezing interjection gesundheit; also O.E. swi? "strong," Goth. swin?s "strong," Ger. geschwind "fast, quick"), with c… more
  3. "fathom, probe," 1336 (implied in sounding), from O.Fr. sonder, from sonde "sounding line," probably from a Gmc. source (cf. O.E. sund "water, sea;" see sound (n.2)). more
  4. "narrow channel of water," c.1300, from O.N. sund "a strait, swimming," cognate with O.E. sund "power of swimming, water, sea," both from P.Gmc. *swumto-, from base *swem- (see swim (v.)). more

via Online Etymology Dictionary, ©2001 Douglas Harper

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