burden

noun
UK /ˈbɜː.dən/
US /ˈbɝː.dən/

A burden is a heavy thing you have to carry or a hard problem that makes you worry.

The donkey carried a heavy burden up the hill.


OTHER MEANINGS

2. Something difficult you must deal with, like a duty or problem.

Paying all the bills became a burden for the family.

3. To make someone carry a heavy load or worry a lot.

She didn't want to burden her friends with her problems.

4. The main message or idea of a song, speech, or story.

The burden of his speech was that we should be kind to each other.