obsolete
obsolete — adjective
1. describes something — often a machine, technology, word, or method — that people
describes something — often a machine, technology, word, or method — that people have stopped using because a newer or better option has taken its place.
Marcus still keeps a fax machine in his office, even though most clients say the technology is obsolete.
predicative use: be obsolete
The arrival of cheap smartphones quickly made many older digital cameras obsolete.
make + object + obsolete
Library staff removed shelves of obsolete travel guides from the 1990s last weekend.
Within five years of release, the new chip had rendered its predecessor completely obsolete.
Some words for old farming tools have become obsolete because the tools themselves are no longer used.
- outdated
very close in meaning; slightly less formal and more common in everyday speech
- antiquated
stronger; suggests something is laughably old and out of step with the present
- archaic
often used about words, customs, or laws from a much earlier period
- defunct
stresses that something no longer exists or operates at all, not just that it's old
- current
in use right now
- modern
based on the most recent ideas or methods
- up-to-date
including the newest information or features
文法句型
become obsolete
render something obsolete
用法筆記
Frequently used predicatively with 'be', 'become', 'make', or 'render' rather than only attributively. Subject is typically a thing, technology, word, or practice — rarely a person.