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Sound vs Unused - What's the difference?

sound | unused | Related terms |

As adjectives the difference between sound and unused

is that sound is healthy while unused is not used.

As an adverb sound

is soundly.

As an interjection sound

is yes; used to show agreement or understanding, generally without much enthusiasm.

As a noun sound

is a sensation perceived by the ear caused by the vibration of air or some other medium.

As a verb sound

is to produce a sound.

As a proper noun Sound

is the strait that separates Zealand (an island of Denmark) from Scania (part of Sweden); also sometimes called by the Danish name, ├śresund.



Alternative forms

* soune (obsolete), sowne (obsolete)

Etymology 1

From (etyl) sound, sund, isund, . See (l).


  • Healthy.
  • He was safe and sound .
    In horse management a sound horse is one with no health problems that might affect its suitability for its intended work.
  • *
  • Complete, solid, or secure.
  • Fred assured me the floorboards were sound .
  • * Chapman
  • The brasswork here, how rich it is in beams, / And how, besides, it makes the whole house sound .
  • (mathematics, logic) Having the property of soundness.
  • *
  • With fresh material, taxonomic conclusions are leavened by recognition that the material examined reflects the site it occupied; a herbarium packet gives one only a small fraction of the data desirable for sound conclusions. Herbarium material does not, indeed, allow one to extrapolate safely: what you see is what you get
  • (British, slang) Good.
  • "How are you?" - "I'm sound ."
    That's a sound track you're playing.
  • (of sleep) Quiet]] and deep.
  • Her sleep was sound .
  • Heavy; laid on with force.
  • a sound beating
  • Founded in law; legal; valid; not defective.
  • a sound title to land
    * (in logic) valid
    Derived terms
    * safe and sound * sound as a bell * soundly


    (en adverb)
  • Soundly.
  • * Spenser
  • So sound he slept that naught might him awake.


    (en interjection)
  • (British, slang) Yes; used to show agreement or understanding, generally without much enthusiasm.
  • "I found my jacket." - "Sound ."

    Etymology 2

    * Noun: from (etyl) sownde, alteration of sowne, from (etyl) sun, soun, (etyl) son, from accusative of (etyl) sonus. * Verb: from (etyl) sownden, sounen, from (etyl) suner, (etyl) soner (modern sonner ), from (etyl) * The euphonic -d appears in the fifteenth century. (wikipedia sound)


    (en noun)
  • A sensation perceived by the ear caused by the vibration of air or some other medium.
  • :
  • *(John Milton) (1608-1674)
  • *:The warlike sound / Of trumpets loud and clarions.
  • A vibration capable of causing such sensations.
  • *
  • *:It was April 22, 1831, and a young man was walking down Whitehall in the direction of Parliament Street.. He halted opposite the Privy Gardens, and, with his face turned skywards, listened until the sound of the Tower guns smote again on the ear and dispelled his doubts.
  • (lb) A distinctive style and sonority of a particular musician, orchestra etc
  • Noise without meaning; empty noise.
  • *(John Locke) (1632-1705)
  • *:Sense and not sound must be the principle.
  • Synonyms
    * See also
    * noise * quiet * silence
    See also
    * audible


    (en verb)
  • To produce a sound.
  • When the horn sounds , take cover.
  • (copulative) To convey an impression by one's sound.
  • He sounded good when we last spoke.
    That story sounds like a pack of lies!
  • * Shakespeare
  • How silver-sweet sound lovers' tongues!
  • To be conveyed in sound; to be spread or published; to convey intelligence by sound.
  • * Bible, 1 Thessalonians i. 8
  • From you sounded out the word of the Lord.
  • (legal) Often with "in"; to arise or to be recognizable as arising within a particular area of law.
  • * '>citation
  • To cause to produce a sound.
  • He sounds the instrument.
  • (phonetics) To pronounce a vowel or a consonant.
  • The "e" in "house" isn't sounded .
    * (to make noise)echo, reecho, resonate * See also
    Derived terms
    * empty vessels make the most sound * infrasound * instantaneous sound pressure * missound * outsound * second sound * soundage * sound-alike * sound alphabet * sound and light/sound-and-light show * sound barrier * sound bite/soundbite * sound bow * sound box * sound camera * sound card * sounded * sound effect * sound energy * sound engineer * sound engineering * sounder * soundex * sound film * sound hole * sounding board * sound law * soundless * sound like * sound man/soundman * sound off * sound out * sound pollution * sound pressure * sound projection * soundproof/sound-proof * sound recording * sound reproduction * soundscape * sound spectrum * sound stage/soundstage * sound structure * sound system * sound track/soundtrack * sound truck * sound wave * speech sound * speed of sound * surround-sound/surround sound * third heart sound * third sound * ultrasound * unsound * voiced sound

    Etymology 3

    From (etyl) sound, sund, from (etyl) . Related to (l).


    (en noun)
  • (geography) A long narrow inlet, or a strait between the mainland and an island; also, a strait connecting two seas, or connecting a sea or lake with the ocean.
  • Puget Sound'''; Owen '''Sound
  • * Camden
  • The Sound of Denmark, where ships pay toll.
  • The air bladder of a fish.
  • Cod sounds are an esteemed article of food.
  • A cuttlefish.
  • (Ainsworth)

    Etymology 4

    (etyl) . More at


    (en verb)
  • dive downwards, used of a whale.
  • The whale sounded and eight hundred feet of heavy line streaked out of the line tub before he ended his dive.
  • To ascertain, or try to ascertain, the thoughts, motives, and purposes of (a person); to examine; to try; to test; to probe.
  • When I sounded him, he appeared to favor the proposed deal.
  • * Dryden
  • I was in jest, / And by that offer meant to sound your breast.
  • * Addison
  • I've sounded my Numidians man by man.
  • test; ascertain the depth of water with a sounding line or other device.
  • Mariners on sailing ships would sound the depth of the water with a weighted rope.
  • (medicine) To examine with the instrument called a sound, or by auscultation or percussion.
  • to sound a patient, or the bladder or urethra


    (en noun)
  • A long, thin probe for body cavities or canals such as the urethra.
  • unused


    Usage notes

    The second pronunciation () pronunciation, which is acceptable for either sense and is normally used for the "not used" sense in all registers.


    (en adjective)
  • not used
  • I have two unused vouchers for a free meal.
  • not accustomed
  • I am unused to the dark nights of the countryside.