burdensome

Adjective

burdensome (comparative more burdensome, superlative most burdensome)

1. Characteristic of a burden; arduous or demanding
   • . . . reap a pleasure from what, to the generality of mankind, may seem burdensome and laborious.1748, David Hume, Enquiries concerning the human understanding and concerning the principles of morals, London: Oxford University Press, published 1973, § 6
   • Finally, there are the commuter trains. Both companies operate these around the big cities and both find them burdensome, owing to the lack of off-peak travel.1959 November, J. N. Westwood, “The Railways of Canada”, in Trains Illustrated, page 555

   Synonyms:

   arduous, demanding, exacting, onerous, taxing, backbreaking, burdenous, cumbersome, cumbrous, gruelling