1. [Adjective]: financially secure and safe; "sound investments"; "a sound economy"

2. [Adjective]: in good condition; free from defect or damage or decay; "a sound timber"; "the wall is sound"; "a sound foundation"

3. [Noun]: a large ocean inlet or deep bay; "the main body of the sound ran parallel to the coast"

4. [Noun]: mechanical vibrations transmitted by an elastic medium; "falling trees make a sound in the forest even when no one is there to hear them"

5. [Noun]: the particular auditory effect produced by a given cause; "the sound of rain on the roof"; "the beautiful sound of music"

6. [Noun]: the audible part of a transmitted signal; "they always raise the audio for commercials"

7. [Noun]: the sudden occurrence of an audible event; "the sound awakened them"

8. [Noun]: a narrow channel of the sea joining two larger bodies of water

9. [Noun]: the subjective sensation of hearing something; "he strained to hear the faint sounds"

10. [Noun]: (phonetics) an individual sound unit of speech without concern as to whether or not it is a phoneme of some language

11. [Adverb]: deeply or completely; "slept soundly through the storm"; "is sound asleep"

12. having legal efficacy or force; "a sound title to the property"

13. thorough; "a sound thrashing"

14. in excellent physical condition; "good teeth"; "I still have one good leg"; "a sound mind in a sound body"

15. free from moral defect; "a man of sound character"

16. reflects weight of sound argument or evidence; "a sound argument"

17. (of sleep) deep and complete; "a heavy sleep"; "fell into a profound sleep"; "a sound sleeper"; "deep wakeless sleep"

18. exercising or showing good judgment; "healthy scepticism"; "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 advi

19. [Verb]: utter with vibrating vocal chords

20. [Verb]: give off a certain sound or sounds; "This record sounds scratchy"

21. [Verb]: cause to sound; "sound the bell"; "sound a certain note"

22. [Verb]: measure the depth of (a body of water) with a sounding line

23. [Verb]: appear in a certain way; "This sounds interesting"

24. [Verb]: make a certain noise or sound; "She went `Mmmmm''"; "The gun went `bang''"

25. [Verb]: announce by means of a sound; "sound the alarm"

1. complete

2. deep

3. healthy

4. reasonable

5. sensible

6. righteous

7. dependable

8. good

9. safe

10. secure

11. healthy

12. stable

13. solid

14. strong

15. substantial

16. valid

1. silence

2. quiet

3. devoice

4. unsound

5. unsound