WordWeb Online

1. A state or condition free from damage or decay
    
2. The quality of being prudent and sensible
   - wisdom, wiseness, level-headedness
    
3. The muscle tone of healthy tissue
   "his muscular soundness"
   - firmness

Derived forms: soundnesses

See also: sound

Type of: condition, good, goodness, status, strength

Antonym: unsoundness

Encyclopedia: Soundness