English

Noun

lumbering ‎(countable and uncountable, plural lumberings)

1. The act of one who lumbers; heavy, clumsy movement.
   • 1887, Hall Caine, The Deemster

     Only the old harbor-master was there, singing out, as by duty bound, his lusty oaths at their lumberings.

2. (US) The business of felling trees for lumber.

Adjective

lumbering ‎(comparative more lumbering, superlative most lumbering)

1. Clumsy or awkward.
2. Heavy, slow and laborious; ponderous.
   • 2013 June 8, “Obama goes troll-hunting”, in The Economist, volume 407, number 8839, page 55:

     The solitary, lumbering trolls of Scandinavian mythology would sometimes be turned to stone by exposure to sunlight. Barack Obama is hoping that several measures announced on June 4th will have a similarly paralysing effect on their modern incarnation, the patent troll.