obsolescent
🇺🇸
/ˌɑːbsəˈlesnt/
🇬🇧
/ˌɒbsəˈlesnt/
Something that is becoming outdated and no longer useful.
The old typewriter was considered obsolescent with the rise of computers.
随着计算机的兴起,旧式打字机被认为是过时的。