Meaning : Beyond normal limits.
Example :
Excessive charges.
A book of inordinate length.
His dress stops just short of undue elegance.
Unreasonable demands.
Synonyms : inordinate, undue, unreasonable
Meaning : Unrestrained, especially with regard to feelings.
Example :
Extravagant praise.
Exuberant compliments.
Overweening ambition.
Overweening greed.
Synonyms : extravagant, exuberant, overweening