sound Meaning in the Cambridge English Dictionary
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Meaning of “sound” in the English Dictionary

"sound" in British English

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soundnoun

uk   us   /saʊnd/

sound noun (NOISE)

A2 [C or U] something that you can ​hear or that can be ​heard: They could hear the sound of a ​belltolling in the ​distance. She ​stoodcompletely still, not making a sound. Suddenly we ​heard a ​loudknocking sound from the ​engine. Sound can travel over very ​largedistances in ​water. [U] the ​activity of ​recording and ​broadcasting sound such as from a ​performance of ​music or for a ​film: a sound ​engineer/​recording [U] the ​volume or ​quality of the sound of a ​television or ​film: Could you turn the sound down/up on the TV? [C] the ​particularquality of the ​music that a ​musician or a ​group of ​musiciansproduce: The band's sound is a ​distinctivemixture of ​funk and ​rap.
More examples

sound noun (SEEM)

the sound of sth C2 [S] how something ​seems to be, from what is said or written: I like the sound of the ​beef in ​redwinesauce. By/From the sound of it I don't ​think it was her ​fault. I'm going to be ​talking to over 90 ​people? I don't like the sound of that!

sound noun (WATER PASSAGE)

[C] a ​passage of ​seaconnecting two ​largerareas of ​sea, or an ​area of ​seamostlysurrounded by ​land: the Kalmar Sound

soundverb

uk   us   /saʊnd/

sound verb (SEEM)

sound good, interesting, strange, etc.
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A2 to ​seem good, ​interesting, ​strange, etc. from what is said or written: Your ​job sounds really ​interesting. I ​know it sounds ​silly, but I'll ​miss him when he's gone.
sound like/as if/as though B1 to ​seem like something, from what is said or written: That sounds like a good ​idea. It sounds like you've got a ​sorethroat. It sounds as if they had a good ​holiday. You're going ​skiing with three ​friends? That sounds like ​fun.sound angry, happy, rude, etc. B2 to ​seemangry, ​happy, ​rude, etc. when you ​speak: He sounded very ​depressed when we ​spoke on the ​phoneyesterday. At the ​pressconference, he sounded at his most ​relaxed.

sound verb (NOISE)

[I or T] to make a ​noise: If the ​alarm sounds, ​leave the ​buildingimmediately. It sounds like a ​bird. He sounds (= ​speaks) just like someone I used to ​work with. Sounding the car's ​horn, she ​drove at high ​speed through the ​crowdedstreets.sound the alarm to ​cause a ​noise to be made or say or ​shout a ​message to ​warnpeople about something: Quick, sound the ​alarm - there's a ​fire in the ​machineroom!

sound verb (WATER DEPTH)

[T] to ​measure the ​depth of a ​mass of ​water, such as the ​sea, usually by sonar
See also
Phrasal verbs

soundadjective

uk   us   /saʊnd/

sound adjective (GOOD CONDITION)

not ​broken or ​damaged; ​healthy; in good ​condition: It's an ​oldbuilding but it's still ​structurally sound. Considering his ​age, his ​body is ​surprisingly sound. Was she of soundmind (= not ​mentallyill) at the ​time of the ​incident?

sound adjective (GOOD JUDGMENT)

showing good ​judgment; ​able to be ​trusted: She gave me some very sound advice. Are these ​pesticidesenvironmentally sound (= will they not ​damage the ​environment)? Government ​bonds are a sound investment.

sound adjective (COMPLETE)

complete: How sound is her ​knowledge of the ​subject?

soundadverb, adjective [before noun]

uk   us   /saʊnd/
(of ​sleep) ​deep and ​peaceful: He was sound asleep within ​moments of getting into ​bed.
(Definition of sound from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"sound" in American English

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soundnoun

 us   /sɑʊnd/

sound noun (SOMETHING HEARD)

[C/U] something ​heard or that may be ​heard: [C] They could ​hear the sound of an ​airplaneoverhead.

sound noun (WATER PASSAGE)

[C] a ​passage of ​seaconnecting two ​largerareas of ​sea, or an ​area of ​seamostlysurrounded by ​land: Puget Sound Long Island Sound

soundverb

 us   /sɑʊnd/

sound verb (SEEM)

to ​suggest a ​particularfeeling, ​state, or thing by the way something is said or a ​noise is made: [L] He sounded ​ratherdiscouraged when I called him ​yesterday. [I always + adv/prep] You sound as if you have a ​sorethroat. [I always + adv/prep] From what you told me, she sounds like (= ​seems to be) a ​niceperson. [I always + adv/prep] That sounds like ​fun (= ​seemslikely to be ​enjoyable).

sound verb (MAKE NOISE)

[I/T] to make a ​noise: [I] A ​bell sounds after fifty ​minutes to ​signal the end of the ​classperiod. [T] Sound the ​alarm – a ​prisoner has ​escaped!

soundadjective [-er/-est only]

 us   /sɑʊnd/

sound adjective [-er/-est only] (HEALTHY)

in good ​condition; (of a ​person) ​healthy, or (of a thing) not ​broken or ​damaged: a ​person of sound ​mind Engineers had to ​close the ​bridge because it was not sound. Sound also ​describessleep that is ​deep and ​peaceful: She was sound ​asleep when the ​phonerang.

sound adjective [-er/-est only] (GOOD)

good because ​based on good ​judgment or ​correctmethods: It was a sound ​approach to ​investingmoney.
(Definition of sound from the Cambridge Academic Content Dictionary © Cambridge University Press)

"sound" in Business English

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soundadjective

uk   us   /saʊnd/
showing good ​judgment, or able to be ​trusted: A sound money-management strategy that has the ​addedbenefit of ​freeing up ​cash for new ​investments. The booklet gives sound ​advice on how to choose a with-profits ​bond.
in good ​condition: The ​bridge is structurally sound.
complete or detailed: A sound ​knowledge of ​law is ​essential.
(Definition of sound from the Cambridge Business English Dictionary © Cambridge University Press)
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