to eliminate through selection or competition; to weed out, phase out, or become obsolete (as of things, customs, or species)

a knockout competition or series of matches in which losers are removed and winners advance to the next round until a champion is determined

In a competition, the strong or superior win out while the weak or inferior are eliminated.

Biological process where organisms better adapted to their environment tend to survive and produce more offspring; Darwin's theory of evolution.

elimination of the weakest; the weeding out of the poor-performing or low-quality

to weed out the superfluous or unqualified; to trim staff by cutting and eliminating redundancies

The biological process of breeding organisms for specific traits while weeding out undesirable characteristics, such as enhancing the egg-laying ability of chickens.

(literary) to delete and eliminate; to leave out or cut down

A competition system where a team or individual is eliminated after losing a single match.

a tournament format where a participant is immediately eliminated after a single loss

a tournament format where the loser of each match is immediately eliminated from the competition

(dialect) dirty; filthy; slovenly

Survival of the fittest; the process in nature by which only the organisms best adapted to their environment tend to survive and transmit their genetic characters

luxurious and wasteful

The practice of firing the worst-performing employee in a company or eliminating the lowest-ranking contestant in a competition.

A management policy where employees or officials with the lowest performance ratings are dismissed or reassigned to improve organizational vitality

to be given to excessive luxury; overly extravagant

(fixed expression) to weed out the weak and keep the strong

To weed out old or obsolete items and replace them with new ones; to phase out; to modernize by replacement

To discard or phase out what is old and replace it with something new.

to select the good and eliminate the bad; to weed out or exclude (as in a competition)

to wash away; to eradicate; to cleanse and eliminate

to select the best through a screening process while removing the unfit; to weed out through examination

(literary) to discharge redundant or incompetent personnel; to weed out useless officials

to remove or get rid of something; to weed out