The Oxford Thesaurus An A-Z Dictionary of Synonyms - explosive 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: The explosive situation between the strikers and management may lead to bloodshed. --n. 2) dynamite, TNT, gunpowder, gelignite, plastic, plastique: The car was blown up by a powerful charge of explosive.