Answer: inundate

AnswerCrossword Clue
INUNDATE

Flood

INUNDATE

Overwhelm

INUNDATE

Swamp

INUNDATE
Deluge.
INUNDATE
Overflow.
INUNDATEOverwhelm.
INUNDATEDeluge
INUNDATESubmerge
INUNDATEOverwhelm with a flood