When doubled, excessive (3)
I believe the answer is:
too
(Other definitions for too that I've seen before include "Excessively" , "What a pity!" , "Moreover, in addition" , "Likewise" , "Furthermore" .)
I believe the answer is:
too
(Other definitions for too that I've seen before include "Excessively" , "What a pity!" , "Moreover, in addition" , "Likewise" , "Furthermore" .)