nonassociative Syllabification: (non·as·so·ci·a·tive)Pronunciation: /ˌnänəˈsōsēˌātiv, -SHē-, -sēətiv, -SHətiv/Definition of nonassociative adjective 1not characterized by association, especially of ideas. 2 Mathematics involving the condition that a group of quantities connected by operations gives a result dependent upon the order in which the operations are performed. nonassociative in other Oxford dictionaries Definition of nonassociative in the British & World English dictionary