Search Result for "loweringly": 
Wordnet 3.0

ADVERB (1)

1. in a menacing or scowling way;
- Example: "he looked up loweringly"



The Collaborative International Dictionary of English v.0.48:

Loweringly \Low"er*ing*ly\, adv.
   In a lowering manner; with cloudiness or threatening gloom.
   [1913 Webster] lower limit


WordNet (r) 3.0 (2006):

loweringly
    adv 1: in a menacing or scowling way; "he looked up loweringly"