1 blow up
VERB + EXPLODE be liable to The chemical is liable to explode on contact with water. | fail to A blast bomb was thrown but the device failed to explode.
2 get angry/dangerous/moving
ADV. literally | suddenly
VERB + EXPLODE be about to, be ready to, be set to A row over public spending is set to explode. | be liable to, be likely to | seem to
PREP. into He suddenly exploded into action. | with She literally exploded with anger.