Marked by bucking or bucking up; (by extension) lively; brisk; jocund.
Spirited or lively, like a buck.
Loaded up or charged with; accompanied by; entailing.
Distressed or causing distress, for example through complexity.
Furnished, equipped.
Laden.
Two bucketfuls (of water).
A load; a burden.
To load (a ship, cargo etc.).