Main entry: sound
Definition: the particular auditory effect produced by a given cause
Usage: the sound of rain on the roof; the beautiful sound of music
Main entry: sound, vocalise, vocalize, voice
Definition: utter with vibrating vocal chords
Antonyms: devoice
Definition: utter with tense vocal chords
Main entry: sound
Definition: financially secure and safe
Usage: sound investments; a sound economy
Antonyms: unsound
Definition: not sound financially
Definition: the quality of being morally wrong in principle or practice
Definition: that which is below standard or expectations as of ethics or decency
Antonyms: bad
Definition: having undesirable or negative qualities
Antonyms: evil
Definition: morally bad or wrong
Definition: involving or causing danger or risk; liable to hurt or harm
Antonyms: out
Definition: not allowed to continue to bat or run
Antonyms: unstable
Definition: lacking stability or fixity or firmness
Antonyms: liquid
Definition: existing as or having characteristics of a liquid; especially tending to flow
Antonyms: gaseous
Definition: existing as or having characteristics of a gas
Antonyms: hollow
Definition: not solid; having a space or gap or cavity
Antonyms: insecure
Definition: lacking self-confidence or assurance
Definition: lacking in security or safety
Antonyms: insecure
Definition: not firm or firmly fixed; likely to fail or give way
Antonyms: unhealthy
Definition: not in or exhibiting good health in body or mind
Antonyms: undependable, unreliable
Definition: not worthy of reliance or trust
Main entry: sound
Definition: in good condition; free from defect or damage or decay
Usage: a sound timber; the wall is sound; a sound foundation
Antonyms: unsound
Definition: not in good condition; damaged or decayed
Antonyms: liquid
Definition: existing as or having characteristics of a liquid; especially tending to flow
Antonyms: gaseous
Definition: existing as or having characteristics of a gas
Antonyms: hollow
Definition: not solid; having a space or gap or cavity
Antonyms: insubstantial, unreal, unsubstantial
Definition: lacking material form or substance; unreal
Antonyms: weak
Definition: wanting in physical strength
Main entry: profound, wakeless, heavy, sound
Definition: (of sleep) deep and complete
Usage: a heavy sleep; fell into a profound sleep; a sound sleeper; deep wakeless sleep
Antonyms: shallow
Definition: lacking physical depth; having little spatial extension downward or inward from an outer surface or backward or outward from a center
Antonyms: shallow
Definition: not deep or strong; not affecting one deeply
Main entry: sound
Definition: thorough
Usage: a sound thrashing
Antonyms: uncomplete, incomplete
Definition: not complete or total; not completed
Main entry: healthy, intelligent, sound, level-headed, levelheaded
Definition: exercising or showing good judgment
Usage: 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 advice; no sound explanation for his decision
Antonyms: insensible
Definition: incapable of physical sensation
Antonyms: unreasonable
Definition: not reasonable; not showing good judgment
Main entry: sound, good
Definition: in excellent physical condition
Usage: good teeth; I still have one good leg; a sound mind in a sound body
Antonyms: unhealthy
Definition: not in or exhibiting good health in body or mind
Main entry: effectual, sound, legal
Definition: having legal efficacy or force
Usage: a sound title to the property
Antonyms: invalid
Definition: having no cogency or legal force
Main entry: sound, reasoned, well-grounded
Definition: logically valid
Usage: a sound argument
Antonyms: invalid
Definition: having no cogency or legal force
Main entry: sound
Definition: free from moral defect
Usage: a man of sound character
Antonyms: unrighteous
Definition: not righteous