Search Result for "grump": 
Wordnet 3.0

NOUN (1)

1. a bad-tempered person;
[syn: grouch, grump, crank, churl, crosspatch]



WordNet (r) 3.0 (2006):

grump
    n 1: a bad-tempered person [syn: grouch, grump, crank,
         churl, crosspatch]