0 to make something more difficult to deal with, do, or understand: --
There is no need for a gene for chance, or complicated rules about when it is expressed.
Today it is commonplace to find business reports and academic textbooks employing complicated statistical and numerical data in interesting visual forms.
The details of the change form too complicated a problem for discussion here.
What now of the claims that other primates can communicate with systems in all important respects as complicated as ours?
All appears chaotic, yet comparisons among the temples reveals that, although complicated, their plans are ordered and carefully thought through.
However, the complexity of signaling leading to these outputs complicates analyses of these phenotypes.
He so disliked them that when he became archbishop it complicated his life.
In practice, the point is complicated by other factors.