more than is usual, allowed etc

overabundance of something

the act, condition, of being extravagant; something that is extremely expensive

indulgence; waste

the state or quality of being inefficient

incompetence

an amount of a drug that is too much

excess

(of land) that is not or cannot be used; no longer of use; useless; thrown away because not wanted; use without a good purpose; use more of (something) than is necessary

spending, use without thought