marginal

mastery
UK /ˈmɑː.d͡ʒɪ.nəl/ US /ˈmɑɹ.d͡ʒɪ.nəl/adjnoun

card 1 of 10 · context meaning

Which meaning best matches the use of "marginal" in this sentence?

Monmouthshire is a Welsh county marginal to England.