Answer: tidalwave

AnswerCrossword Clue
TIDALWAVEOverwhelming surge, as of opinion
TIDALWAVESeaside disaster cause
TIDALWAVEPowerful ocean surge
TIDALWAVEResult of significant submarine activity
TIDALWAVEPowerful movement
TIDALWAVEAftermath of Britain's A-test.
TIDALWAVECoastal disaster.
TIDALWAVEAny widespread movement.
TIDALWAVEBurst of feeling.
TIDALWAVETsunami
TIDALWAVETsunami, e.g.
TIDALWAVESwell event?