Search Result for "rainproof": 
Wordnet 3.0

ADJECTIVE (1)

1. not permitting the passage of water;
[syn: rainproof, waterproof, waterproofed]



WordNet (r) 3.0 (2006):

rainproof
    adj 1: not permitting the passage of water [syn: rainproof,
           waterproof, waterproofed]