1.
If you say that someone has a ~ lifestyle, you mean that they frequently behave in a excessive and uncontrolled way, for example by eating or drinking too much. (FORMAL)
...aristocrats who wasted their inheritances in ~ living.
= wild
ADJ: usu ADJ n
2.
You can describe someone’s behaviour or an event as ~ when it is noisy and lively in a rather wild way.
The dinner was often a ~ affair enlivened by superbly witty speeches.
ADJ: usu ADJ n
~ly
...a slapstick affair which I found ~ly amusing.
ADV: ADV adj/-ed