Overestimate Definition

ōvər-ĕstə-māt
overestimated, overestimates, overestimating
verb
overestimated, overestimates, overestimating
To set too high an estimate on or for.
Webster's New World
To esteem too greatly.
American Heritage
To judge too highly.
Experts overestimate the level of harm of cigarettes.
Wiktionary
Synonyms:
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noun
overestimates
An estimate that is too high.
Webster's New World
Synonyms:

Origin of Overestimate