patternless

adjective4

1. •
   Without a decorative pattern.

   • "I ought to imitate you, in fact, Mr. Vholes?" says Richard, sitting down again with an impatient laugh and beating the devil's tattoo with his boot on the patternless carpet. — 1852
2. •
   Without a repeating pattern; random.
3. •
   That does not belong to a programming or markup pattern.
4. •
   That does not cut around a pattern.