(uncountable) The state of being obsolete—no longer in use; gone into disuse; disused or neglected. / (countable) The process of becoming obsolete, outmoded or out of date.

plural of obsolescence

In the process of becoming obsolete, but not obsolete yet.

To become obsolete.

present participle of obsolesce

Third-person singular simple present indicative form of obsolesce

simple past tense and past participle of obsolesce

In an obsolescent manner.

A policy of deliberately planning or designing a product with a limited useful life, so it will become obsolete or nonfunctional after a certain period.

planned obsolescence implemented through deliberate limitations in software or hardware