look up any word, like the eiffel tower:
 
2.
Generally inappropriate; Not going the way you want it to.
Lera is way defunct.
by Yashi September 07, 2007
 
1.
Gone or simply of no good use anymore.
Example 1: Nirvana became defunct after Kurt Cobain's death.

Example 2: I dropped my phone in the pool. Looks like it's pretty much defunct.
by Cookies need love too December 20, 2012