# robustness

/ɹoʊˈbəstnəs/ (US) · /ɹəʊbˈʌstnəs/ (UK) · CEFR C1 · Noun

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

## Definition

the quality of being strong and able to survive difficult situations. It describes something that does not break easily or change its behavior when things get tough.

For teachers: the quality of being strong, sturdy, or resistant to damage or failure. Often used in technical contexts to describe systems or materials that maintain performance under stress.

## Examples

- The new software has high robustness against viruses.
- Engineers tested the bridge's robustness by simulating extreme weather conditions and heavy traffic loads.
- The algorithm's robustness is its most significant advantage, allowing it to process incomplete data sets without producing inaccurate or misleading results.

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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.