# optimally

/ˈɒptɪməli/ (UK) · CEFR C1 · Adverb

Source: https://englishreference.com/word/optimally
Updated: 2026-05-26

## Definition

in the best possible way to get the best results. You use this when something is working at its highest level of quality or efficiency.

For teachers: in a manner that produces the most favorable or efficient result. Often used in technical or scientific contexts to describe a system operating at peak performance.

## Examples

- The engine runs optimally when the temperature is just right.
- To ensure the software runs optimally, you should close all other applications before starting the process.
- The researchers found that the chemical reaction proceeds most efficiently when the pressure is maintained at a level that allows the molecules to interact optimally without causing structural damage.

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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.