verb

• (intransitive, archaic) To be frightened; to shudder with fear.
  "“It is seenteen hundred linen,” said the pedlar, giving a tweak to one of the shirts, in that knowing manner with which matrons and judges ascertain the texture of the loom ; “it’s seenteen hundred linen, and as strong as an it were dowlas. Nevertheless, mother, your bidding is to be done ; and I would have done Mr. Mordaunt’s bidding too,” he added, relaxing from his note of defiance, into the deferential whining tone with which he cajoled his customers, “if he hadna made use of profane oaths which made my very flesh grue, and caused me, in some sort, to forget myself.”"

noun

• (Scotland) A shiver, a shudder.
  "Upon all others the sight of Alison, were it but for a moment, cast a cold grue, not to be remembered without terror."

adj

• (philosophy) Of an object, green when first observed before a specified time or blue when first observed after that time.
  "The grue property is defined as: x is grue if and only if x is green and is observed before the year 2000, or x is blue and is not observed before the year 2000."
• (linguistics) Of a single color inclusive of both green and blue as different shades, used in translations from languages such as Old Welsh and Old Chinese that lacked a distinction between green and blue.

noun

• (slang) Nutraloaf, a bland mixture of foods served in prisons.