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obsolete

OB-suh-leet /ˈɒbsəliːt/

adjectiveverbB2GRETOEFLIELTSSAT

Formal

(adj) No longer produced or used; out of date. (v) To make something obsolete.

Implies that something has been replaced by something newer and better, or has simply fallen out of use, rather than just being old. It often carries a sense of being superseded.

The story behind the word. "Obsolete" comes directly from the past participle of the Latin verb obsolescere, which means "to wear out" or "to fall into disuse." The word first appeared in English in the 16th century, referring to things that were no longer practiced or used, much like today's meaning. It perfectly captures the idea of something that has simply worn out its welcome or utility.

Word relationships

outdated: No longer current or fashionable.
antiquated: Old-fashioned or outdated.
defunct: No longer existing or functioning.

current: Belonging to the present time; happening or being used or done now.
modern: Relating to the present or recent times as opposed to the remote past.
contemporary: Belonging to or occurring in the present.

Commonly confused with

outdated: "Outdated" can simply mean old-fashioned, while "obsolete" often implies a lack of utility or replacement by a superior alternative.

Word family

obsolescence (noun): the process or state of becoming obsolete.
obsolescent (adjective): becoming obsolete.

Collocations

completely obsolete
largely obsolete
rendered obsolete
become obsolete
obsolete technology
obsolete equipment

Example sentences

"Typewriters are now largely obsolete in most professional offices." Describing old office equipment.
"Many older technologies, like floppy disks, have become completely obsolete." Referring to past data storage methods.
"The company's older software was rendered obsolete by the new cloud-based system." Explaining how new software impacts old systems (verb usage).

Memory hook

An "OB-so-LEET" car is so old it's no longer street-legal, making it obsolete. OB-so-LEET car

When not to use

Avoid using it for things that are merely old but still perfectly functional or have sentimental value. A vintage car might be old, but it's not necessarily obsolete if it still runs and is enjoyed.

Fun facts

In biological contexts, "obsolete" can refer to an organ or part of an organism that has lost its original function through evolution.

Related words

obsolescence, outdated

Explore more words

modernize, abolish, dilapidated, discard, deteriorate, inoperable