obsolescent
🇺🇸
/ˌɑːbsəˈlesnt/
🇬🇧
/ˌɒbsəˈlesnt/
Something that is becoming outdated and no longer useful.
The old typewriter was considered obsolescent with the rise of computers.
隨著電腦的興起,舊式打字機被認為是過時的。