1a load, typically a heavy one. a duty or misfortune that causes worry, hardship, or distress: [with modifier]:the tax burden on low-wage earners the main responsibility for achieving a specified aim or task:the burden of establishing that the authority had misused its powers rests upon the prosecution a ship’s carrying capacity; tonnage: the schooner Wyoming, of about 6,000 tons burden 2
) the main theme or gist of a speech, book, or argument.
3 archaic the refrain or chorus of a song.
load heavily: she walked forwards burdened with a wooden box cause (someone) worry, hardship, or distress:they were not yet burdened with adult responsibility