# functionally

/ˈfəŋkʃənəɫi/ (US) · /fˈʌŋkʃənəli/ (UK) · CEFR C1 · Adverb

Source: https://englishreference.com/word/functionally
Updated: 2026-05-07

## Definition

in a way that relates to how something works or what its purpose is. It can also describe something that is true in practice, even if it is not officially that way.

For teachers: in a manner relating to the purpose or operation of something; in practical effect though not necessarily by official definition.

## Examples

- The old computer is functionally useless for modern gaming.
- Although the two departments are officially separate, they operate functionally as a single team to save time.
- The architect designed the building to be functionally efficient, ensuring that the layout maximized natural light while minimizing the energy required for climate control.

## Usage notes

- Often used to contrast a practical reality with a formal or theoretical status.

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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.