• To plunder; to strip by violence; to pillage; to rob; -- with of before the name of the thing taken; as, to spoil one of his goods or possession. • To seize by violence;; to take by force; to plunder. • To cause to decay and perish; to corrput; to vitiate; to mar. • To render useless by injury; to injure fatally; to ruin; to destroy; as, to spoil paper; to have the crops spoiled by insects; to spoil the eyes by reading. • To practice plunder or robbery. • To lose the valuable qualities; to be corrupted; to decay; as, fruit will soon spoil in warm weather. • That which is taken from another by violence; especially, the plunder taken from an enemy; pillage; booty. • Public offices and their emoluments regarded as the peculiar property of a successful party or faction, to be bestowed for its own advantage; -- commonly in the plural; as to the victor belong the spoils. • That which is gained by strength or effort. • The act or practice of plundering; robbery; aste. • Corruption; cause of corruption. • The slough, or cast skin, of a serpent or other animal.