|1.||of, in, on, or constituting a margin|
|2.||close to a limit, esp a lower limit: marginal legal ability|
|3.||not considered central or important; insignificant, minor, small|
|4.||economics relating to goods or services produced and sold at the margin of profitability: marginal cost|
|5.||chiefly (Brit), (NZ) politics of or designating a constituency in which elections tend to be won by small margins: a marginal seat|
|6.||designating agricultural land on the margin of cultivated zones|
|7.||economics relating to a small change in something, such as total cost, revenue, or consumer satisfaction|
|8.||chiefly (Brit), (NZ) politics a marginal constituency|
marginal mar·gin·al (mär'jə-nəl)
Of, relating to, located at, or constituting a margin, a border, or an edge.
Marginally within a lower standard or limit of quality.
Relating to or located at the fringe of consciousness.