remove unwanted elements;
"The company weeded out the incompetent people"
"The new law weeds out the old inequities"
- He vainly tried to mark the defacing stain out.
- I'll weed out crabgrass from a lawn.
- The cowboy culled out the sick cow from the group.
- Merv got very angry and threw him out.
- We have to weed out unqualified applicants.
- Our team was knocked out in the second run.
- weed out 除去