도태돼요 · 도태됐어요 · 도태될 거예요 · 도태된 (+noun)
to be weeded out, to be eliminated, to fall behind and drop out
Example
변화에 적응하지 못하는 기업은 도태될 수밖에 없습니다.
Companies that can't adapt to change are bound to be weeded out.
Word parts
도 wash out+태 sift
Literally 'washed and sifted' — like panning, where the lighter grains get washed away.
Good to know
In biology, 자연 도태 means 'natural selection'.