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obsolescence

ob-suh-LES-uns /ˌɒbsəˈlɛsns/

nounC1GRETOEFLIELTS

Formal

The process of becoming obsolete or the state of being no longer useful or in production.

Refers to the process or state of becoming outdated, often due to technological advancement or changing trends, rather than simply being old.

The story behind the word. "Obsolescence" traces its roots back to the Latin verb obsolescere, meaning "to wear out" or "to fall into disuse." This verb itself comes from ob- (meaning "away" or "against") and solescere (meaning "to grow accustomed to," from solere "to be accustomed"). So, something obsolescent is growing away from being customary or useful, gradually fading into disuse.

Word relationships

antiquation: The state of being antiquated.
datedness: The state of being old-fashioned.

currency: The state of being generally accepted or in use.
relevance: The state of being pertinent or connected.

Commonly confused with

obsolete: "Obsolete" is the adjective describing something that is in a state of obsolescence. "Obsolescence" is the noun for the state or process itself.

Word family

obsolete (adjective): no longer produced or used; out of date.
obsolescent (adjective): becoming obsolete.

Collocations

planned obsolescence
rapid obsolescence
technological obsolescence
built-in obsolescence
risk of obsolescence

Example sentences

"The rapid pace of technological innovation often leads to planned obsolescence in consumer electronics." Discussing the rapid pace of technological change.
"The challenge for manufacturers is to balance innovation with the risk of accelerating product obsolescence." Analyzing manufacturing challenges.

Memory hook

Think of "obso-LESS-sense" – something has less sense (less utility) over time. Less Sense

When not to use

Don't use it to describe something that is merely old but still functional and valued (e.g., an antique chair isn't in a state of obsolescence, it's just old).

Fun facts

The concept of "planned obsolescence" was first widely discussed in the 1920s and 30s, notably by Bernard London in 1932, suggesting it as a way to stimulate economic recovery during the Great Depression.