- 1sensible; that you can rely on and that will probably give good results a person of sound judgment He gave me some very sound advice. This gives the design team a sound basis for their work. The proposal makes sound commercial sense. Their policies are environmentally sound. opposite unsound
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thorough - 2[only before noun] good and thorough a sound knowledge/understanding of something He has a sound grasp of the issues.
- 3in good condition; not damaged, hurt, etc. We arrived home safe and sound. to be of sound mind (= not mentally ill) The house needs attention but the roof is sound. opposite unsound sleep
- 4[usually before noun] deep and peaceful to have a sound night's sleep to be a sound sleeper good, but not excellent
- 5good and accurate, but not excellent a sound piece of writing a sound tennis player physical punishment
- 6severe to give someone a sound beating
reliable
noun [uncountable] soundness of judgment financial soundness the soundness of the building's foundations see soundlyIdioms
in perfect condition The doctor said I was as sound as a bell.See sound in the Oxford Advanced Learner's Dictionary
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