to wash out · (fig.) to cull · to weed out · to eliminate · to die out · to phase out

Although the male goat kids are often culled because they will never produce milk, they are sometimes castrated instead and allowed to remain in the herd as a "wether". With a bell around its neck, such a "bellwether" is usually the leader for the rest of the herd.

In the last World Cup, New Zealand was knocked out of the competition by Mexico.

Since communism became obsolete and the dictatorship of the proletariat is out of date, capitalism proves to be the best so far, even though it itself is still a threat for humanity.

Germany was eliminated by South Korea.