marginal meaning and definition

MARGINAL adjective

Definition of marginal (adjective)

1. at or constituting a border or edge
   • "the marginal strip of beach"
   • synonyms: fringy
2. of questionable or minimal quality
   • "borderline grades"; "marginal writing ability"
   • synonyms: borderline
3. just barely adequate or within a lower limit
   • "a bare majority"; "a marginal victory"
   • synonyms: bare
4. producing at a rate that barely covers production costs
   • "marginal industries"