# overestimate

/ˌoʊvɝˈɛstəˌmeɪt/ (US) · /ˌəʊvəɹˈɛstɪmət/ (UK) · CEFR B2 · Noun

Source: https://englishreference.com/word/overestimate
Updated: 2026-05-20

## Definition

a guess or calculation that is higher than the actual amount or value. You use this when you think something is bigger, more expensive, or more important than it really is.

For teachers: an estimate or calculation that is higher than the actual value or amount. Often used to describe a judgment that is too optimistic or exaggerated.

## Examples

- The initial overestimate of the project cost was quite high.
- The team realized their overestimate of the available resources meant they had to delay the final phase of the construction.
- While the initial overestimate of the market potential was criticized by analysts, it actually served as a catalyst for the company to develop more robust and scalable infrastructure.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.