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sound

adjective (GOOD CONDITION)
 
 
/saʊnd/

Definition

not broken or damaged; healthy; in good condition: It's an old building but it's still structurally sound. Considering his age, his body is quite sound. Was she of sound mind (= not mentally ill) at the time of the incident?Undamaged, unbroken or in good conditionFit and healthy
(Definition of sound adjective (GOOD CONDITION) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

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