burdensome

Adjective

WordNet 3.0

Adjective (1)

not easily borne; wearing“the burdensome task of preparing the income tax return”“my duties weren't onerous; I only had to greet the guests”“a taxing schedule”Synonyms: onerous taxing

Webster's Dictionary (GCIDE)

Burdensome \Bur"den*some\, a. Grievous to be borne; causing uneasiness or fatigue; oppressive. [1913 Webster]

The debt immense of endless gratitude So burdensome. --Milton. [1913 Webster]

Syn: Heavy; weighty; cumbersome; onerous; grievous; oppressive; troublesome. [1913 Webster] -- Bur"den*some*ly, adv. -- Bur"den*some*ness, n. [1913 Webster]