Meaning of OVERBURDEN in English
o ‧ ver ‧ bur ‧ den /ˌəʊvəˈbɜːdn $ ˌoʊvərˈbɜːrdn/ BrE AmE verb [transitive usually passive]
to give an organization, person, or system more work or problems than they can deal with:
Health services have been overburdened and are unable to care for many older people.
a manager overburdened with work
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012