— unsoundly , adv. — unsoundness , n.
/un sownd"/ , adj., unsounder, unsoundest .
1. not sound; unhealthy, diseased, or disordered, as the body or mind.
2. decayed or impaired, as timber or foods; defective.
3. not solid or firm, as foundations.
4. not well-founded or valid; fallacious: an unsound argument.
5. easily broken; light: unsound slumber.
6. not financially strong; unreliable: an unsound corporation.
[ 1275-1325; ME; see UN- 1 , SOUND 2 ]
Syn. 1. infirm, sick, ill, unhealthy. 2. rotten, unwholesome. 4. false, erroneous, faulty.