Search Result for "burdensomeness": 
Wordnet 3.0

NOUN (1)

1. unwelcome burdensome difficulty;
[syn: burdensomeness, heaviness, onerousness, oppressiveness]


The Collaborative International Dictionary of English v.0.48:

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]
WordNet (r) 3.0 (2006):

burdensomeness n 1: unwelcome burdensome difficulty [syn: burdensomeness, heaviness, onerousness, oppressiveness]