explosive

[1]	dynamite , TNT , gunpowder , gelignite , plastic , plastique

adj.

[1]	volatile , sensitive , delicate , tense , anxious , fraught , touch-and-go , touchy , inflammable , (highly) charged , unstable , uncertain , unsound , shaky , hazardous , chancy , unpredictable , precarious , dangerous , perilous , critical , nasty , ugly , (Colloq) dicey , iffy
[2]	volatile