This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

adj. Near the margin of a body, organ, or part: submarginal tentacles.

adj. Of low productivity; infertile.

adj. Less than, or worse than, marginal. Not meeting even the minimum standard of quality.

adj. Below a margin.

In botany and zoology, situated near the margin.

"The Resettlement Administration (RA), which eventually became the Farm Security Administration (FSA), stressed "rural rehabilitation" efforts to improve the lifestyle of sharecroppers, tenants, and very poor landowning farmers, and a program to purchase submarginal land owned by poor farmers and resettle them in group farms on land more suitable for efficient farming."

submarginal cells    nervure   

federal-plus-state    hillier    note    abscissa    single-edged