overestimate
Nouns
- (n) an appraisal that is too high overappraisal, overestimation, overvaluation,
- (n) a calculation that results in an estimate that is too high overrating, overreckoning, overestimation,
Verbs
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(v) make too high an estimate of
- He overestimated his own powers
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(v) assign too high a value to
- You are overestimating the value of your old car