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The definition of sound

17 Definitions of: sound

1. noun, a) a periodic disturbance in the pressure or density of a fluid or in the elastic strain of a solid, produced by a vibrating object. It has a velocity in air at sea level at 0°C of 331 metres per second (741 miles per hour) and travels as longitudinal waves b) (as modifier)
2. noun, of or relating to radio as distinguished from television
3. noun, the sensation produced by such a periodic disturbance in the organs of hearing
4. noun, anything that can be heard
5. noun, a particular instance, quality, or type of sound
6. noun, volume or quality of sound
7. noun, the area or distance over which something can be heard
8. noun, the impression or implication of something
9. noun, phonetics the auditory effect produced by a specific articulation or set of related articulations
10. noun, slang music, esp rock, jazz, or pop
11. verb, to cause (something, such as an instrument) to make a sound or (of an instrument, etc) to emit a sound
12. verb, to announce or be announced by a sound
13. verb, (of a sound) to be heard
14. verb, to resonate with a certain quality or intensity
15. verb, to give the impression of being as specified when read, heard, etc
16. verb, to pronounce distinctly or audibly
17. verb, law to have the essential quality or nature (of)
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1. adjective, free from damage, injury, decay, etc
2. adjective, firm; solid; substantial
3. adjective, financially safe or stable
4. adjective, showing good judgment or reasoning; sensible; wise
5. adjective, valid, logical, or justifiable
6. adjective, holding approved beliefs; ethically correct; upright; honest
7. adjective, (of sleep) deep; peaceful; unbroken
8. adjective, thorough; complete
9. adjective, excellent
10. adjective, law (of a title, etc) free from defect; legally valid
11. adjective, constituting a valid and justifiable application of correct principles; orthodox
12. adjective, logic a) (of a deductive argument) valid b) (of an inductive argument) according with whatever principles ensure the high probability of the truth of the conclusion given the truth of the premises c)another word for consistent
13. adverb, soundly; deeply: now archaic except when applied to sleep
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1. verb, to measure the depth of (a well, the sea, etc) by lowering a plumb line, by sonar, etc
2. verb, to seek to discover (someone's views, etc), as by questioning
3. verb, (of a whale, etc) to dive downwards swiftly and deeply
4. verb, med a) to probe or explore (a bodily cavity or passage) by means of a sound b) to examine (a patient) by means of percussion and auscultation
5. noun, med an instrument for insertion into a bodily cavity or passage to dilate strictures, dislodge foreign material, etc ▷ See also sound out
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1. noun, a relatively narrow channel between two larger areas of sea or between an island and the mainland
2. noun, an inlet or deep bay of the sea
3. noun, the air bladder of a fish
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Synonyms:	music, healthy, note, reasonable, interview, hubbub, echo, reliable, wise, safe	And more...
Antonyms:	trouble, frail, irresponsible

From Collins