wimp

noun

1. a person who lacks confidence, is irresolute and wishy-washy

Similar word(s): chicken, crybaby

Definition categories: person, doormat, weakling, wuss

2. 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

Definition categories: object

verb

1. (intransitive) To behave submissively, inde.

2. (transitive) To render wimpy.