1. (

• submerge ,
• submerse

) sink below the surface; go under or as if under water ;

2. (

• submerge ,
• drown ,
• overwhelm

) cover completely or make imperceptible; "I was drowned in work"; "The noise drowned out her speech" ;

3. (

• submerge ,
• submerse

) put under water; "submerge your head completely" ;

4. (

• inundate ,
• deluge ,
• submerge ,

) fill or cover completely, usually with water ;