patternless

/P AE1 T ER0 N L AH0 S/
adjective
  1. 1

    Without pattern; random

  2. 2

    (of certain machinery for cutting shapes) That do not cut around a pattern

  3. 3

    (in computer science, of an object) That does not belong to any known programming or markup pattern

Source: https://en.wiktionary.org/wiki/patternless