[1] : The Collaborative International Dictionary of English v.0.48

explosive \explo"sive\, a. cf. f. explosif.
   driving or bursting out with violence and noise; causing
   explosion; as, the explosive force of gunpowder.
   1913 webster

[2] : The Collaborative International Dictionary of English v.0.48

explosive \explo"sive\, n.
   1. an explosive agent; a compound or mixture susceptible of a
      rapid chemical reaction, as gunpowder, tnt,
      dynamite, or nitro-glycerine.
      1913 webster +pjc

   2. a sound produced by an explosive impulse of the breath;
      phonetics one of consonants p, b, t, d, k, g, which are
      sounded with a sort of explosive power of voice.

   note: see guide to pronunciation, root 155-7, 184.
         1913 webster
see also:
gunpowder tnt dynamite nitro-glycerine 

[3] : WordNet (r) 2.0

explosive
     adj 1: tending or serving to explode or characterized by explosion
            or sudden outburst; "an explosive device"; "explosive
            gas"; "explosive force"; "explosive violence"; "an
            explosive temper" ant: nonexplosive
     2: liable to lead to sudden change or violence; "an explosive
        issue"; "a volatile situation with troops and rioters
        eager for a confrontation" syn: volatile
     3: sudden and loud; "an explosive laugh"
     n : a chemical substance that undergoes a rapid chemical change
         with the production of gas on being heated or struck
see also:
nonexplosive volatile 

[4] : Moby Thesaurus II by Grady Ward, 1.0

166 moby thesaurus words for "explosive":
   ballistite, tnt, agitable, alarming, allophone, alveolar, anxious,
   apico-alveolar, apico-dental, articulation, aspiration,
   assimilation, bad, banging, bilabial, blasting, bursting,
   cacuminal, cellulose nitrate, cerebral, chancy, check, combustible,
   consonant, continuant, cordite, cracking, crashing, critical,
   dangerous, dangersome, delicate, dental, detonating, dicey,
   diphthong, dissimilation, dynamite, edgy, emotional,
   emotionally unstable, epenthetic vowel, eruptive, excitable,
   explodable, exploding, explosible, fiery, flapping, fraught,
   fraught with danger, fulminating, gelignite, glide, glottal,
   glottalization, gunpowder, guttural, hasty, hazardous,
   high explosive, high-mettled, high-spirited, high-strung,
   highly emotional, hot, hot-tempered, hotheaded, iffy, inflammable,
   irascible, irritable, jeopardous, knocking, labial, labialization,
   labiodental, labiovelar, laryngeal, lateral, lingual, liquid,
   manner of articulation, melinite, menacing, mettlesome,
   modification, monophthong, morphophoneme, mute, nasal, nasty,
   nervous, nitrocotton, nitroglycerin, occlusive, palatal,
   parasitic vowel, parlous, passionate, peak, peppery, periculous,
   perilous, perturbable, pharyngeal, pharyngealization, phone,
   phoneme, plastic, plastic explosive, plosive, popping, powder,
   precarious, prickly, prothetic vowel, quick, quick-tempered,
   rapping, retroflex, segmental phoneme, semivowel, sensitive,
   serious, shaky, short-tempered, skittish, slapping, slatting,
   smokeless powder, sonant, sonority, speech sound, spunky,
   startlish, stop, surd, syllabic nucleus, syllabic peak, syllable,
   tapping, tense, threatening, touch-and-go, touchy,
   transition sound, trinitrotoluol, triphthong, ugly, uncertain,
   unpredictable, unsound, unstable, velar, villanous saltpetre,
   vocable, vocalic, vocoid, voice, voiced sound, voiceless sound,
   voicing, volatile, volcanic, vowel

Explosive >> E Words
Explosive, definition of term: Explosive
explosive_pag1.html

High Explosive >> H Words
High Explosive, definition of term: High Explosive
high+explosive_pag1.html