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1.
something that happens after ones death
Van Gough's fame was posthumous
by vegihumor333 August 21, 2003
 
2.
Occurring after one's death.
Many valiant soldiers were awarded the Medal of Honor posthumously.
by BigBrotherM December 04, 2006
 
3.
WITH HINDSIGHT, OCCURRING AFTER A PARTICULAR EVENT. NOTHING AT ALL TO DO WITH DEATH.
MORTEN GAMST PEDERSEN SHOULD BE GIVEN A POSTHUMOUS RED CARD
by Online Dictionary December 02, 2010