The whole process could have been a joyful PR interlude, replacing the current grind of grimness.
This longing for grimness actually has its own portmanteau word, ostalgie.
"Friend Rosny, you were a fool," M. de Roquelaure said with grimness.
She smiled, but there was a hint of grimness in the bending of her lips.
The play of the white gleams of his smile round the suspicion of grimness of his tone fascinated me like a moral incongruity.
Peter Blood considered him with a grimness that increased his panic.
But his grimness certainly disappeared, and more than once she found herself wondering at his consideration and thought for her.
"We are going to have some fun with them this year," predicted Leila with a touch of grimness.
His faint smile had not vanished, but it had taken lines of grimness.
Sinister and forbidding, even the sunlight could not lessen their grimness.
Old English grimm "fierce, cruel, savage, dire, painful," from Proto-Germanic *grimmaz (cf. Old Saxon, Old Frisian, Old High German, German grimm, Old Norse grimmr, Swedish grym "fierce, furious"), from PIE *ghrem- "angry," perhaps imitative of the sound of rumbling thunder (cf. Greek khremizein "to neigh," Old Church Slavonic vuzgrimeti "to thunder," Russian gremet' "thunder").
A weaker word now than once it was; sense of "dreary, gloomy" first recorded late 12c. It also had a verb form in Old English, grimman (class III strong verb; past tense gramm, p.p. grummen). Old English also had a noun, grima "goblin, specter," perhaps also a proper name or attribute-name of a god, hence its appearance as an element in place names.
Grim reaper as a figurative way to say "death" is attested by 1847 (the association of grim and death goes back at least to 17c.). A Middle English expression for "have recourse to harsh measures" was to wend the grim tooth (early 13c.).
"spectre, bogey, haunting spirit," 1620s, from grim (adj.).