Wordnet 3.0
ADVERB (1)
1. 
 in an ill-natured manner; 
- Example: "she looked at her husband crossly"[syn: crossly, grouchily, grumpily]
WordNet (r) 3.0 (2006):
grouchily
    adv 1: in an ill-natured manner; "she looked at her husband
           crossly" [syn: crossly, grouchily, grumpily]