underlive

verb5

1. •
   To live under; live beneath (something); to fail to live up to (something).

   • Not to indulge too much in the luxury of the table, nor yet to underlive the constitution. — 1786
2. •
   To live on fewer resources than (someone).

   • Many of that class who live in the country, and have farms, by their industry and frugal way of living, grow rich, for they can underlive the Britons, &c. — 1839
3. •
   To live on insufficient resources.

   • It is stated that twenty-five full-time ministers received an average salary of $665.00, clearly an underliving wage. — 1922
4. •
   To live in an overcautious or unfulfilling manner.
5. •
   To fail to reach (a certain age).

   • The duration of a person’s life is a mystery, and thousands of cancer patients have outlived or underlived their estimated life expectancy. — 1996