pertaining to a margin.

situated on the border or edge.

at the outer or lower limits; minimal for requirements; almost insufficient

marginal subsistence; marginal ability.

written or printed in the margin of a page

a marginal note.

Sociology . marked by contact with disparate cultures, and acquiring some but not all the traits or values common to any one of them.

Economics .

selling goods at a price that just equals the additional cost of producing the last unit supplied.

of or pertaining to goods produced and marketed at margin

marginal profits.

adjective

central , core , interior , internal

adjective

bordering , insignificant , low , minimal , minor , negligible , on the edge , peripheral , rimming , small , verging , borderline , circumferential , unimportant