the GNU version of the Collaborative International Dictionary of English
v. To estimate too highly.
v. To overvalue.
n. An estimate that is too high.
The Century Dictionary and Cyclopedia
n. An estimate that is too high; an overvaluation.
To estimate too highly; overvalue.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. an appraisal that is too high
v. make too high an estimate of
n. a calculation that results in an estimate that is too high
v. assign too high a value to
Word Usage
"Part of the overestimate was a failure to anticipate a large number of motorists who renewed plates and driver licenses early to beat the fee increases."