1. A device for making soundings
   "The ship used a sounder to measure the depth of the ocean"
    
2. A group of wild pigs
   "A sounder of wild boar crossed the forest path"

1. Financially secure and safe
   "sound investments"; "a sound economy"
    
2. In good condition; free from defect, damage or decay
   "a sound foundation"; "a sound timber"; "the wall is sound"
    
3. Exercising or showing good judgment
   "a sound approach to the problem"; "sound advice"; "no sound explanation for his decision";
   - healthy, intelligent, levelheaded, level-headed
    
4. Logically valid
   "a sound argument";
   - reasoned, well-grounded
    
5. Having legal efficacy or force
   "a sound title to the property";
   - legal, effectual
    
6. In excellent physical condition
   "a sound mind in a sound body";
   - good
    
7. Free from moral defect
   "a man of sound character"
    
8. Complete; thorough
   "politicians have no sound grasp of technology issues"; "he has a sound understanding of the law"
    
9. Vigorous or severe
   "a sound thrashing"
    
10. (of sleep) deep and complete
    "a sound sleeper";
    - heavy, profound, wakeless

Derived forms: sounders

See also: complete, deep, dependable, fit, good, healthy, reasonable, righteous, safe, secure, sensible, solid, stable, strong, substantial, unbroken, undamaged, uninjured, valid, wholesome

Type of: device

Antonym: unsound

Encyclopedia: Sounder