burden
noun.
an onerous or difficult concern
the burden of responsibility|that's a load off my mind
noun.
weight to be borne or conveyed
Synonym: load, loading
noun.
the central meaning or theme of a speech or literary work
Synonym: gist, essence, effect, core
noun.
the central idea that is expanded in a document or discourse
verb.
weight down with a load
verb.
impose a task upon, assign a responsibility to
He charged her with cleaning up all the files over the weekend
Synonym: charge, saddle
Antonym: unburden