a. [-LESS.]
1. Devoid of system or orderly arrangement; unsystematic.
1851. Ruskin, Stones Venice, I. xxv. § 20. Dreading to be called upon … to admire a systemless architecture, because it may happen to have sprung from an irrational religion.
1883. Science, I. 521/2. In upper Swabia, glacial deposits present their peculiar landscape of systemless hills and hollows.
2. Biol. Having no differentiated systems of organs; structureless.
1862. Dana, Man. Geol., 597. If … these simple species existed in the Azoic era, they were systemless life.
