No longer used or no longer useful because something newer or better exists.
From Latin "obsoletus" meaning "worn out by use, out of date." It comes from a verb meaning "to grow old, fall into disuse."
The world has always made things obsolete, but technology speeds this up so much that a phone can feel ancient in just a few years. The word quietly reminds us that today’s cutting edge is tomorrow’s dusty relic.
Complete word intelligence in one call. Free tier — 50 lookups/day.