sound - definition and synonyms

 
 
adjective 

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/saʊnd/
adjectivesound
comparativesounder
superlativesoundest
  1. 3
    healthy

    a sound heart

    be of sound body/mind:

    The jury found that Holman was of sound mind when he committed the murder.

  2. 4
    safe, or in good condition

    a sound building

    Investigators found the plane to be structurally sound.

  3. 5
    sound sleep is one that is difficult to wake you from

derived word

soundness

noun [uncountable]