/kraw"lee/ , adj., crawlier, crawliest , n. , pl. crawlies . Informal.
adj.
1. that crawls; noting or describing things, as worms or insects, that crawl, esp. imparting a queasy feeling; creepy.
n.
2. a crawling insect, small reptile, etc.
[ 1855-60; CRAWL 1 + -Y 1 ]