1(of competition or fighting) intense
2fierce
3(of pain) acute
4(of an expression of opinion) impassioned
5vehement
6(of a course of action) drastic
7extreme
Examples
wǒ men我们jī liè激烈de的tǎo lùn讨论le了zhè这gè个wèn tí问题。
我们激烈的讨论了这个问题。
We had a heated discussion about it.
Tatoeba：这里的辩论比两只兔子在袜子里做爱还要激烈！
Tatoeba: Where debates are hotter than two rabbits making babies in a sock!