1. Sinking until covered completely with water
   "The submerging of the submarine was swift and silent";
   - submergence, submersion, immersion

1. Put under water
   "submerge your head completely";
   - submerse
    
2. Fill or cover completely, usually with water
   "The tsunami submerged entire islands";
   - inundate, deluge
    
3. Sink below the surface; go under or as if under water
   "The submarine submerged quickly";
   - submerse
    
4. Cover completely or make imperceptible
   "I was submerged in work";
   - drown, overwhelm

See also: drown out

Type of: cover, flood, go down, go under, immerse, plunge, settle, sink, sinking, spread over

Encyclopedia: Submerge