[ wimp ]
/ wɪmp /
a weak, ineffectual, timid person.
- to be or act like a wimp.
- to show timidity or cowardice; chicken out.
Words nearby wimp
Origin of wimp
1915–20, Americanism; origin uncertain; cf. whimper
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for wimp out (1 of 3)
(intr, adverb) informal to fail to do or complete something through fear or lack of conviction
British Dictionary definitions for wimp out (2 of 3)
/ (wɪmp) /
informal a feeble ineffective personSee also wimp out
Derived forms of wimpwimpish or wimpy, adjective
Word Origin for wimp
C20: of unknown origin
British Dictionary definitions for wimp out (3 of 3)
/ (wɪmp) /
windows, icons, menus (or mice), pointers: denoting a type of user-friendly screen display used on small computersa WIMP system
physics weakly interacting massive particle
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Science definitions for wimp out
[ wĭmp ]
Short for weakly interacting massive particle. Any of various hypothetical particles, some predicted by certain theories such as supersymmetry, which interact with other particles by the force of gravity alone. WIMPs are considered by some scientists to be candidates for the dark matter that makes up much of the mass of the universe.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.