Weighed down (5)
'weighed down' is the definition.
(synonyms)
This is all the clue.
(Other definitions for laden that I've seen before include "fully charged" , "full cargo ship" , "Heavily loaded" , "Of ship, having taken on cargo" , "Encumbered" .)
'weighed down' is the definition.
(similar in meaning)
This is the entire clue.