Obsolete : 더 이상 쓸모가 없는, 한물간, 구식의, (미국)더 이상 쓸모없게 만들다, 못 쓰게 하다, (생물학 진화등에 의해)사용되지 않는
Obsolescent : 구식의, 쇠퇴해가는, 사용되지 않는, 퇴행성의, 폐퇴성의
Obsolescence : 노후화, 진부화, 구식화
Build-in obsolescence : 내장된 노후화 (냉장고 식기세척기 등 기계의 수명을 내장시켜둔것)
1)
If something is obsolete, it's something that's not in use anymore
something that is replaced by something new, by something better, by soemthing fashionable
lamps, candles has been obsolete since the invention of electricity and electric lights
the invention of tractor made the horse nearly obsolete
old things become obsolete by developying new technologies
typewriter is now obsolete by inventing keyboard
something that is obsolescent, it's no longer used
it's in disuse
an obsolescent steam engine, nowadays they use diesel electric trains
obsolete, antiiquated, no longer used, outmoded, gone out of fashion
obsolete technologies
obsolete words
obsolete farming methods
vestigial something from the past that no longer happens
obsolete equipment
obsolete products
2)
I heard, American peopl used this word obsolete as a verb, to obsolete
we are obsoleting this product, we are going to stop using it
3)
you can also use it obsolete in biology
to talk about some characteristic, a species and a group of animals used to have
we no longer have tails, I think the tail become obsolete
4)
build-in obsolescence, where you buy a fridge or a washing machine
this phrase commonly used for obsolescence
Formality : 5 - 5.5
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