Open English Wordnet
Adjectives
(s)fringy, marginalat or constituting a border or edge“the marginal strip of beach” (s)borderline, marginalof questionable or minimal quality“borderline grades”,
“marginal writing ability” (s)bare, marginaljust barely adequate or within a lower limit“a bare majority”,
“a marginal victory” (s)marginalproducing at a rate that barely covers production costs“marginal industries”