Excited state (5)
'excited state' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for fever that I've seen before include "Early part of flu" , "State of heightened excitement" , "Nervous excitement, high temperature" , "Yellow, for example" , "Ague, abnormally high body temperature" .)
'excited state' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for tizzy that I've seen before include "State of agitation" , "Confused state" , "State of emotional excitement" .)