IPA: /nɒn kənˈstrʌktɪv/
KK: /nɑn kənˈstrʌk tɪv/
Not helpful or useful in achieving a positive outcome or solution.
The feedback he gave was nonconstructive and did not help improve the project.
Nonconstructive → It is formed from "non-" (meaning not) and "construct" (from Latin "construere", meaning to build). The word "nonconstructive" means not building or contributing positively to a situation or discussion.
Think of 'not' ('non-') contributing to 'building' ('construct') something positive — that's why nonconstructive means not helping.