Dictionary

sound

1sound

adjective \ˈsand\

: in good condition : solid and strong

: in good health

: free from mistakes : showing good judgment

Full Definition of SOUND

1
a :  free from injury or disease
b :  free from flaw, defect, or decay
2
:  solid, firm; also :  stable
3
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 :  orthodox
4
a :  thorough
b :  deep and undisturbed <a sound sleep>
c :  hard, severe <a sound whipping>
5
:  showing good judgment or sense <sound advice>
sound·ly \ˈsan(d)-lē\ adverb
sound·ness \ˈsan(d)-nəs\ noun

Examples of SOUND

  1. a building of sound construction
  2. The bridge is structurally sound.
  3. a sound mind in a sound body
  4. The tests show that his heart is sound.
  5. She used sound reasoning in making the decision.
  6. She gave us some sound advice.
  7. She has a sound understanding of the system's structure.
  8. The stock market has made a sound recovery.

Origin of SOUND

Middle English, from Old English gesund; akin to Old High German gisunt healthy
First Known Use: 13th century

2sound

adverb

of sleep : deeply and completely

Full Definition of SOUND

:  to the full extent :  thoroughly <sound asleep>

First Known Use of SOUND

14th century

3sound

noun

Definition of SOUND

1
a :  a particular auditory impression :  tone
b :  the sensation perceived by the sense of hearing
c :  mechanical radiant energy that is transmitted by longitudinal pressure waves in a material medium (as air) and is the objective cause of hearing
2
a :  a speech sound <a peculiar r-sound>
b :  value in terms of speech sounds <-cher of teacher and -ture of creature have the same sound>
3
archaic :  rumor, fame
4
a :  meaningless noise
b obsolete :  meaning
c :  the impression conveyed :  import
5
:  hearing distance :  earshot <within sound of your voice>
6
:  recorded auditory material
7
:  a particular musical style characteristic of an individual, a group, or an area <the Nashville sound>

Origin of SOUND

Middle English soun, from Anglo-French son, sun, from Latin sonus, from sonare to sound; akin to Old English swinn melody, Sanskrit svanati it sounds
First Known Use: 13th century

4sound

verb

Definition of SOUND

transitive verb
1
a :  to cause to sound <sound a trumpet>
b :  pronounce 3a
2
:  to put into words :  voice
3
a :  to make known :  proclaim
b :  to order, signal, or indicate by a sound <sound the alarm>
4
:  to examine by causing to emit sounds <sound the lungs>
5
chiefly British :  to convey the impression of :  sound like <that sounds a logical use of resources — Economist>
intransitive verb
1
a :  to make a sound
b :  resound
c :  to give a summons by sound <the bugle sounds to battle>
2
:  to make or convey an impression especially when heard <it sounds good to me> <you sound just like your mother>
sound·able \ˈsan-də-bəl\ adjective

First Known Use of SOUND

13th century

5sound

noun

Definition of SOUND

1
a :  a long broad inlet of the ocean generally parallel to the coast
b :  a long passage of water connecting two larger bodies (as a sea with the ocean) or separating a mainland and an island
2
:  the air bladder of a fish

Origin of SOUND

Middle English, from Old English sund swimming, sea & Old Norse sund swimming, strait; akin to Old English swimman to swim
First Known Use: 14th century

Other Oceanography Terms

littoral

6sound

verb

Definition of SOUND

transitive verb
1
:  to measure the depth of :  fathom
2
:  to try to find out the views or intentions of :  probe —often used with out
3
:  to explore or examine (a body cavity) with a sound
intransitive verb
1
a :  to ascertain the depth of water especially with a sounding line
b :  to look into or investigate the possibility <sent commissioners…to sound for peace — Thomas Jefferson>
2
:  to dive down suddenly —used of a fish or whale

Origin of SOUND

Middle English, from Middle French sonder, from Old French *sonde sounding line, probably from Old English or Middle English sund- (as in Old English sundlīne sounding line) from sund sea
First Known Use: 15th century

7sound

noun

Definition of SOUND

:  an elongated instrument for exploring or sounding body cavities

Origin of SOUND

French sonde, from Middle French, literally, sounding line
First Known Use: 1739

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