Wiktionary
a. 1 Not trivial. 2 (context mathematics English) Having at least one non-zero variable. 3 (context computing English) Needing significant computing power to solve; intractable.
Usage examples of "nontrivial".
I'll give you a couple of trivial possibilities, and then a nontrivial possibility.
Based on the available observational data on the humans, however, there is a nontrivial probability that this species will continue the battle until most or all of them perish.
Up to a numerical shift, these count the number of nontrivial homology three-cycles ("three-dimensional holes") and the number of homology twocycles ("two-dimensional holes").
The problem was it cost nearly five times as much per light-year to fly at the higher speed, which on the Dorcas garrison's budget was a nontrivial consideration.