WordWeb Online

1. Borne on the water; floating
    
2. Without a clear purpose or direction
   "Russia is afloat and chaotic";
   - adrift, aimless, directionless, planless, rudderless, undirected
    
3. Covered with water
   "the main deck was afloat";
   - awash, flooded, inundated, overflowing

See also: adrift, floating, full, purposeless, waterborne

Antonym: aground

Encyclopedia: Afloat