adjective back end (of money, costs, etc) required or incurred after a project has been completed 3
noun back end rear part 1
noun back end The rear, back, or invisible portion (of something). 0
noun back end (computing) that part of a hardware or software system that is farthest from the user; the internals rather than the user interface. 0
noun back end (Britain dialectal, Northern England, Scotland) The latter end of any given time, especially the latter part of the year; autumn; late autumn. 0