Wiktionary
humorlessness
n. The state, quality, or condition of lacking humor.
Usage examples of "humorlessness".
The laughter ended in the abrupt fashion that left no doubt at all of the humorlessness of the mind and soul behind it.
It was Alliance captains, it was Family ships hauling for Union, it was Union Boreale, whose reputation for strait-laced probity and cloned-man humorlessness dissolved in multiple bottles and a wit that had the Celestial and Santo Domingo captains alike wiping their eyes, red-faced.