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.
(..) just don't call me late for dinner, you get it? Okay! Not a shaker? Are you a hugger? I'm a killer. Warning! Plutonium- is a radioactive material and is highly explosive. Excuse me. There's more room on the sidewalk. Dodge, please, dodge! A little help? A little help, please. (..)2014 The Amazing Spider-Man 2