overmuch

(noun) a quantity that is more than what is appropriate. Synonyms: overabundance, overmuchness, superabundance. Examples: "Four-year-olds have an overabundance of energy." "We received an inundation of email."

(adj) very great in quantity; overabundant. Examples: "Showed overmuch affection."

(adv) more than necessary. Synonyms: too much. Examples: "She eats too much." "Let's not blame them overmuch."