v. To be frightened; to shudder with fear.n. A shiver, a shudderadj. Of an object, green when first observed before a specified time or blue when first observed after that time.adj. Green or blue, as a translation from languages such as Welsh that do not distinguish between these hues.n. Any byproduct of a gruesome event, i.e. gore, viscera, entrails, blood and guts.n. A fictional predator that dwells in the dark.