Bur"den*some (?), a.
Grievous to be borne; causing uneasiness or fatigue; oppressive.
The debt immense of endless gratitude
So burdensome.
Milton.
Syn. -- Heavy; weighty; cumbersome; onerous; grievous; oppressive; troublesome.
-- Bur"den*some*ly, adv. -- Bur"den*some*ness, n.
© Webster 1913.