Nonsupport (noun)

Failure or neglect to provide financial or other assistance to someone, especially a spouse or child, who is legally entitled to it.

Origin:

17th century: non- + support.

Examples:

1. He was charged with nonsupport for failing to pay child support.
2. Her ex-husband was found guilty of nonsupport and sentenced to jail.
3. The judge ordered the father to pay a fine for nonsupport.
4. The mother filed a complaint for nonsupport against her husband.
5. The court ruled that the husband's actions constituted nonsupport.