Adjective
1. at or constituting a border or edge;
"the marginal strip of beach"2. of questionable or minimal quality;
"borderline grades""marginal writing ability"3. of a bare living gained by great labor;
"the sharecropper's hardscrabble life""a marginal existence"4. just barely adequate or within a lower limit;
"a bare majority""a marginal victory"5. producing at a rate that barely covers production costs;
"marginal industries""marginal land"6. of something or someone close to a lower limit or lower class;
"marginal abilities"