PSAT / SAT Prep

Tuesday, October 07

unsound adj.

Definition: 1. not sound; unhealthy or diseased, 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. 5. easily broken; light. 6. not financially sound or secure