1. Sinking until covered completely with water
   - submergence, submersion, immersion

1. Sink below the surface; go under or as if under water
   - submerse 
2. Cover completely or make imperceptible
   - drown, overwhelm 
3. Put under water
   "submerge your head completely"
   - submerse 
4. Fill or cover completely, usually with water
   - inundate, deluge

See also: submersible, submersion

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

• keep away
• keep back
• keep company
• keep down
• keep fit
• keep going
• keep guard
• keep in
• keep in line
• keep mum
• keep note
• keep off
• keep on
• keep one's distance
• keep one's eyes off
• keep one's eyes open
• keep one's eyes peeled
• keep one's eyes skinned
• keep one's hands off
• keep one's mouth shut
• keep one's nose to the grindstone
• keep one's shoulder to the wheel
• keep open
• keep out
• keep pace