### Clue: Fury over Rex playing a stage villain (6)
### Answer: VIRAGO 
 ### Explanation: Definition: Fury
 V(abbrev. for "very"/extremely/over, as in "don't get over-confident") + R(abbrev. for "Rex", Latin for "king") **contained in**(playing/in the role of) IAGO(the villain in Shakespeare's play, "Othello").
*Edit:  See comments 7 and 14.*
Defn: A person, in this case, a woman with a violent temper.