Meaning of Overestimation
Unknown / অজানা / अज्ञात
to estimate at too high a value, amount, rate, or the like: Don't overestimate the car's trade-in value.
to hold in too great esteem or to expect too much from: Don't overestimate him—he's no smarter than you are.
an estimate that is too high.
(transitive) to value or estimate too highly
an estimate that is too high