So the heaviness was not so much a literary conceit but something I wanted to talk about.
He saw himself as a deep-inside player in the intelligence world, and the heaviness of the responsibility was not sitting well.
Something heavy and sad came over Abu Hassar and the heaviness of that thing came over me.
Old English hefig "heavy, having much weight; important, grave; oppressive; slow, dull," from Proto-Germanic *hafiga "containing something; having weight" (cf. Old Saxon, Old High German hebig, Old Norse hofugr, Middle Dutch hevich, Dutch hevig), from PIE *kap- "to grasp" (see capable). Jazz slang sense of "profound, serious" is from 1937 but would have been comprehensible to an Anglo-Saxon. Heavy industry recorded from 1932. Heavy metal attested by 1839 in chemistry; in nautical jargon from at least 1744 in sense "large-caliber guns on a ship.
While we undervalue the nicely-balanced weight of broadsides which have lately been brought forward with all the grave precision of Cocker, we are well aware of the decided advantages of heavy metal. ["United Services Journal," London, 1830]As a type of rock music, from 1972.
mid-13c., "something heavy; heaviness," from heavy (adj.). Theatrical sense of "villain" is 1880.