enormousness

noun

1. (uncountable)Great size or magnitude.

   “"The Last Emperor," written by Mark Peploe "with" (as the credits say) Mr. Bertolucci, may have been inhibited by the enormousness of its subject, and even by the apparently enthusiastic support of China, which acted as host to Mr. Bertolucci, his cast and production crew.”

   “I stood close to heartsick mourners and worried that I would not sustain the enormousness of their spiritual weight.”