WIMP

• (noun) a hypothetical subatomic particle of large mass that interacts weakly with ordinary matter through gravitation; postulated as a constituent of the dark matter of the universe

  synonyms : weakly interacting massive particle

• (noun) a person who lacks confidence, is irresolute and wishy-washy

  synonyms : chicken , crybaby

WordNet® 3.0, © 2006 by Princeton University.

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