Answer: explosive

AnswerCrossword Clue
EXPLOSIVEVolatile
EXPLOSIVECritically unstable.
EXPLOSIVENitroglycerin or dynamite
explosivetending to explode / something that will explode
explosive(of a vocal sound) Produced with a sharp release of air
explosiveAble or likely to shatter violently or burst apart, as when a bomb explodes
explosiveLikely to cause an eruption of anger or controversy
explosiveOf or relating to a sudden and dramatic increase in amount or extent