· a device for making soundings

Hypernym(s): device

· financially secure and safe; "sound investments"; "a sound economy"

Antonym(s): unsound

· 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 advice"; "no sound explanation for his decision"

Synonym(s): healthy, intelligent, levelheaded, level-headed

· in good condition; free from defect or damage or decay; "a sound timber"; "the wall is sound"; "a sound foundation"

Antonym(s): unsound

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

Synonym(s): good

· logically valid; "a sound argument"

Synonym(s): reasoned, well-grounded

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

Synonym(s): legal, effectual

· vigorous or severe; "a sound thrashing"

· free from moral defect; "a man of sound character"

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

Synonym(s): heavy, profound, wakeless

· complete; thorough; "politicians have no sound grasp of technology issues"; "he has a sound understanding of the law"