1.
Dynamite is a type of explosive that contains nitroglycerin.
Fifty yards of track was blown up with ~.
N-UNCOUNT
2.
If you describe a piece of information as ~, you think that people will react strongly to it. (INFORMAL)
Her diaries are political ~.
N-UNCOUNT
3.
If you describe someone or something as ~, you think that they are exciting. (INFORMAL)
The first kiss is ~.
N-UNCOUNT approval