Standard Lemma guide

underestimation

noun · 3 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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  • rhymes with -eɪʃən

1

noun

Meaning 1

The act of underestimating.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: overestimation

Broader terms: misestimation

2

noun

Meaning 2

An underestimate.

Definition source: English Wiktionary via Wiktextract

Usage: countable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: overestimation, overestimate

Broader terms: misestimation, misestimate

3

noun

Meaning 3

an estimation that is too low; an estimate that is less than the true or actual value

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: underestimate, underrating, underreckoning

Antonyms: none provided

Broader terms: estimate, estimation, approximation, idea

History

Etymology

Etymology tree Proto-Indo-European *h1én Proto-Indo-European *h1entér Proto-Indo-European *(H)n̥dhí Proto-Indo-European *-ér Proto-Indo-European *(H)n̥dhér Proto-Germanic *under Proto-West Germanic *undar Old English under- Middle English under- English under- English estimation English underestimation From under- + estimation.

Across languages

Translations

3 source translations are retained for this English entry.

  • Polish: niedoszacowanie — the act of underestimating
  • Russian: недооце́нка (nedoocénka) — the act of underestimating
  • Ukrainian: недооці́нка (nedoocínka) — the act of underestimating