IPA: //nɒn.səˈpɔːrt//
KK: /nɑnˈsəˌpɔrt/
The act of not providing support or assistance, especially in a legal or financial context.
The court ruled that the father was guilty of nonsupport for failing to provide financial help to his children.
Nonsupport → It is formed from "non-" (meaning not) and "support" (from Old French *supporter*, meaning to carry or bear). The word "nonsupport" means the absence of support or not providing assistance.
Think of 'not' ('non-') providing 'support' — that's why nonsupport means a lack of assistance.