n. 25B6; verb a lot of cream had overflowed the edges of the shallow dish : SPILL OVER, flow over, brim over, well over, pour forth, stream forth, flood.
25B6; noun
an overflow from the tank : OVERSPILL, spill, spillage, flood.
to accommodate the overflow, five more offices were built : SURPLUS, excess, additional people/things, extra people/things, remainder, overspill.