The police are trying to defuse a very 'explosive' [='volatile'] situation.
the danger of working with 'high explosives' [=very powerful explosives]
The region has experienced 'explosive' [='rapid'] population growth.
(..) - Yes, sir. Don't mess it up. Son of a... Captain, where are we? We have reason to believe that the explosive was a diversion. Diversion from what? An armed team has taken over the White House. Do we have the president? I spoke to Walker. (..)2013 White House Down