Adverb
In an explosive manner.
Source: Webster's dictionaryIn France, a chemist named Pilatre de Rozier tested the flammability of hydrogen by gulping a mouthful and blowing across an open flame, proving at a stroke that hydrogen is indeed explosively combustible and that eyebrows are not necessarily a permanent feature of one's face. Bill Bryson
Emotional Ketchup Burst: The bottling up of opinions and emotions inside onself so that they explosively burst forth all at once, shocking and confusing employers and friends -- most of whom thought things were fine. Douglas Coupland
One of the greatest threats to mankind today is that the world may be choked by an explosively pervading but well camouflaged bureaucracy. Norman Borlaug
the population in Central America is growing explosively Source: Internet
the political situation in Kashmir and Jammu is explosively unstable Source: Internet
Consequently, acetylene, if initiated by intense heat or a shockwave, can decompose explosively if the absolute pressure of the gas exceeds about 200 kPa (29 psi). Source: Internet