From Longman Dictionary of Contemporary Englishoverburdeno‧ver‧bur‧den /ˌəʊvəˈbɜːdn $ ˌoʊvərˈbɜːrdn/ verb [transitive] JOB/TASKto 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 workGrammar Overburden is usually passive.→ See Verb table
Examples from the Corpus
overburden• Finally, I think the tests will simply overburden an already hard-pressed system, and prove unworkable.• Public health systems are already overburdened by patients with no insurance.• At times, without ill intent, we overburden ourselves.• Resist the temptation to overburden your notes with too much information. 4. 