1 weight, burden; onus, pressure, encumbrance, millstone, cross, albatross, responsibility, care, anxiety, worry, trouble:
He put down his load and rested. Seeing her safe is a load off my mind
2 shipment, consignment, cargo, weight:
That load is too heavy for the van.
3 pack, pile, stack, heap, fill, lade, stuff, cram, jam, squeeze:
Load all the boxes you can in the truck.
4 Often, load down. weigh down, burden, encumber, saddle with, overwhelm:
I was loaded down with too many responsibilities.