'nonmonotonic' definitions:

Definition of 'nonmonotonic'

(from WordNet)
adjective
Not monotonic [ant: monotone, monotonic]

Definition of 'nonmonotonic'

From: GCIDE
  • nonmonotonic \nonmonotonic\ adj. (Math. or logic) not monotonic; -- of relations between variables. Opposite of monotonic. [WordNet 1.5]