IPA: /nɒnəˈsəʊʃieɪtɪd/
KK: /nɑnəˈsoʊsieɪtɪd/
Not connected or related to something else.
The nonassociated data did not affect the results of the experiment.
Nonassociated → It is formed from "non-" (meaning not) and "associated" (from Latin "associatus", meaning joined together). The word "nonassociated" means not joined together or not connected.
Think of 'not' ('non-') being used to describe something that is 'joined together' ('associated'). This helps you remember that 'nonassociated' means something that is not connected.