The Oxford Thesaurus An A-Z Dictionary of Synonyms - burdenn.

1) load, weight, gravamen; strain, pressure, trouble, onus, millstone, cross, albatross: The old man put down his burden. The burden of the evidence is against them. His feeling of guilt over her death in the crash was a terrible burden to bear. --v. 2) load, weigh down, saddle with, encumber; tax, oppress: The mules were heavily burdened with a month's supply of food. Don't burden me with your problems.