Fetching details from the dictionary...
worn-out; ragged; tattered; battered; scruffy
crumbling; dry and crumbly
falling (in drops or clumps); scattering
(physically or mentally) worn-out; exhausted
(coming to light) one after another
古い本がぼろぼろになっている。
The old book is tattered
服がぼろぼろに破れてしまった。
The clothes got ragged
疲れてぼろぼろの状態だ。
I am in a worn out state from tiredness