# deprecated

/ˈdɛpɹəˌkeɪtəd/ (US) · /dˈɛpɹɪkˌeɪtɪd/ (UK) · CEFR C1 · Adjective

Source: https://englishreference.com/word/deprecated
Updated: 2026-10-13

## Definition

describing a computer feature that still works but you should not use anymore because a newer version exists and this one will soon be removed.

For teachers: Describing a software feature, command, or standard that remains usable but is officially discouraged, typically because a newer alternative exists and removal is planned.

## Examples

- This old login method is deprecated, so use the new one.
- The documentation warns that version 1 of the payment API is deprecated and developers should migrate to version 2 before June.
- Although the library still supports the deprecated authentication scheme for backward compatibility, its maintainers strongly recommend adopting the token-based protocol slated to replace it entirely next year.

## Usage notes

- Typically placed before the noun it modifies or after 'be' and 'become'.

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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.