AskDefine | Define overestimate

Dictionary Definition



1 an appraisal that is too high [syn: overestimation, overvaluation, overappraisal]
2 a calculation that results in an estimate that is too high [syn: overestimation, overrating, overreckoning]


1 make too high an estimate of; "He overestimated his own powers" [syn: overrate] [ant: underestimate]
2 assign too high a value to; "You are overestimating the value of your old car" [syn: overvalue] [ant: undervalue, undervalue]

User Contributed Dictionary



  1. to judge too highly:
    Experts overestimate the level of harm of cigarettes.



Extensive Definition

Estimation is the calculated approximation of a result which is usable even if input data may be incomplete, uncertain, or noisy.
In mathematics, approximation or estimation typically means finding upper or lower bounds of a quantity that cannot readily be computed precisely and is also an educated guess . While initial results may be unusably uncertain, recursive input from output, can purify results to be approximately accurate, certain, complete and noise-free.

External links

overestimate in Czech: Odhad
overestimate in German: Schätzung
overestimate in Hungarian: Becslés
overestimate in Dutch: Schatten
overestimate in Polish: Szacowanie
overestimate in Simple English: Estimation
overestimate in Serbian: Процена

Synonyms, Antonyms and Related Words

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