Answer: implode

AnswerCrossword Clue
IMPLODECollapse
IMPLODEBurst like a vacuum tube
IMPLODESuccumb to water pressure, perhaps
IMPLODESelf-destruct
IMPLODECollapse inwardly
IMPLODECollapse inward
IMPLODEBurst inward
IMPLODEBurst in
IMPLODEOpposite of burst
IMPLODECollapse, in a way
implodeto collapse inward
implodeto burst inward