Definitions

1. adjective

no longer in use or need; out of date, old-fashioned, or no longer current

“The company’s old computer system was becoming obsolete and needed to be replaced.”

2. noun

something that is no longer in use or is out of date

“The antique shop sold many obsolete gadgets that were no longer functional.”

3. verb

to make something no longer in use or out of date

“The new update will obsolete the older version of the software.”