overabundance
1. [ noun ] the state of being more than full
Synonyms: excess surfeit
Related terms: fullness surfeit
2. [ noun ] a quantity that is more than what is appropriate
Synonyms: overmuchness superabundance overmuch
Examples:

"four-year-olds have an overabundance of energy" "we received an inundation of email"

Related terms: abundance excess bellyful glut
Similar spelling:   overabundant
  overbalance