- overestimate⇄noun an estimate that is too high.
(SYN) overvaluation. - overestimate⇄overestimate, verb, -mated,-mating,noun.
- overestimate⇄v.t., v.i. to estimate at too high a value, amount, or rate.
Ex. Men often overestimate their capacity for evil (Hawthorne).
(SYN) overrate.