deprecated

Definition

adj. 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.

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

simple

“This old login method is deprecated, so use the new one.”

contextual

“The documentation warns that version 1 of the payment API is deprecated and developers should migrate to version 2 before June.”

complex

“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.”

Common phrases and expressions where native English speakers use the word “deprecated” in context.

Verb

01. become deprecated

“Older encryption methods become deprecated as security standards evolve.”

verb + adj

02. mark as deprecated

“Developers should mark the old syntax as deprecated in the documentation.”

verb + prep + adj

03. remain deprecated

“The function will remain deprecated for two cycles before final removal.”

verb + adj

Adjective

04. highly deprecated

“This specific library is highly deprecated and should be avoided in new projects.”

adv + adj

05. officially deprecated

“The legacy API was officially deprecated in the latest software release.”

adv + adj

Noun

06. deprecated feature

“Using a deprecated feature may cause the application to crash in future updates.”

adj + noun

07. deprecated method

“The compiler issued a warning because the code calls a deprecated method.”

adj + noun

08. deprecated syntax

“You must update your scripts to replace any deprecated syntax.”

adj + noun

09. be considered deprecated

“These protocols are now considered deprecated by the industry.”

10. support for deprecated

“The vendor will eventually drop support for deprecated versions of the OS.”

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

“Node.js APIs might be deprecated for any of the following reasons: Use of the API is unsafe. An improved alternative API is available. Breaking changes to the API are expected in a future major release.”

Node.js 13 Oct 2026

“RHEL 9 formally deprecated iptables in 2022—iptables is now consigned to the aging firmware on your talking toaster.”

How-To Geek 9 Mar 2026

“Some of these “dead batteries” were deprecated in Python 3.12, and will be removed entirely in Python 3.13.”

InfoWorld 27 Dec 2023

“The egrep and fgrep commands have been deprecated since 2007.”

Phoronix 3 Sept 2022

From Latin dēprecātus, past participle of dēprecor (“to pray against (a present or impending evil), pray for, intercede for (that which is in danger), rarely imprecate”), from de (“off”) + precor (“to pray”).

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

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