- a weak, ineffectual, timid person.
- wimp out, Informal.
- to be or act like a wimp.
- to show timidity or cowardice; chicken out.
- any of a group of weakly interacting elementary particles predicted by various unified field theories, as the W particle and Z-zero particle, that are characterized by relatively large masses.
- a feeble ineffective person
- windows, icons, menus (or mice), pointers: denoting a type of user-friendly screen display used on small computers
- weakly interacting massive particle