Standard Lemma guide

overestimation

noun · 4 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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No pronunciation record was provided for this word.

1

noun

Meaning 1

The act of overestimating.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: underestimation

Broader terms: misestimation

2

noun

Meaning 2

An overestimate.

Definition source: English Wiktionary via Wiktextract

Usage: countable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: underestimation, underestimate

Broader terms: misestimation, misestimate

3

noun

Meaning 3

a calculation that results in an estimate that is too high

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: overestimate, overrating, overreckoning

Antonyms: none provided

Broader terms: estimate, estimation, approximation, idea

4

noun

Meaning 4

an appraisal that is too high

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: overestimate, overvaluation, overappraisal

Antonyms: none provided

Broader terms: appraisal, estimate, estimation

History

Etymology

Etymology tree Proto-Indo-European *úp Proto-Indo-European *-er Proto-Indo-European *upér Proto-Germanic *uber Old English ofer- Middle English over- English over- English estimation English overestimation From over- + estimation.

Across languages

Translations

10 source translations are retained for this English entry.

  • Armenian: գերագնահատում (geragnahatum) — Translations
  • Dutch: overschatting — Translations
  • Finnish: yliarviointi — Translations
  • Finnish: yliarvio — Translations
  • French: surestimation — Translations
  • French: survalorisation — Translations
  • Greek: υπερεκτίμηση (yperektímisi) — Translations
  • Japanese: 過大評価 (kadai-hyōka) — Translations
  • Polish: przeszacowanie — Translations
  • Swedish: överskattning — Translations