WordNet sense 1 (remove with or as if with a ladle):

lade, ladle

WordNet sense 2 (fill or place a load on):

load, load up

WordNet sense 3 (filled with a great quantity):

loaded, ladened

WordNet sense 4 (containing as much or as many as is possible or normal):

full

WordNet sense 5 (burdened psychologically or mentally):

oppressed

WordNet sense 6 (bearing a heavy burden of work or difficulties or responsibilities):

burdened