# insurmountable

/ˌɪnsɝˈmaʊntəbəɫ/ (US) · /ɪnsəmˈaʊntəbəl/ (UK) · CEFR C1 · Adjective

Source: https://englishreference.com/word/insurmountable
Updated: 2026-05-11

## Definition

too large or difficult to deal with. You use this to describe a problem or obstacle that you cannot overcome.

For teachers: too great to be overcome or surmounted. Often used to describe abstract barriers, challenges, or logistical difficulties.

## Examples

- The team faced insurmountable problems during the first week.
- Despite their best efforts, the debt became insurmountable and the small business was forced to close.
- The cultural and linguistic barriers proved insurmountable for the new administration, leading to a total breakdown in diplomatic relations between the two neighboring states.

## Usage notes

- Typically used to modify nouns like 'obstacles', 'difficulties', 'problems', or 'odds'.

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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.
