Wiktionary
nonrepetitive
a. Not repetitive.
Usage examples of "nonrepetitive".
It might be characterized as Lamarckian, or as a chaotic system, but even those were guesses, because what factors were they talking about, what aspects might be acquired by learning and passed on, or cycling in some nonrepetitive but patterned way?
There was a tiny wriggle to it, a random nonrepetitive Seder of little hiccups and these moved steadily leftward.