GRIMMEST
GRIM
ghastly, grim, grisly, gruesome, macabre, sick
(adjective) shockingly repellent; inspiring horror; “ghastly wounds”; “the grim aftermath of the bombing”; “the grim task of burying the victims”; “a grisly murder”; “gruesome evidence of human sacrifice”; “macabre tales of war and plague in the Middle ages”; “macabre tortures conceived by madmen”
blue, dark, dingy, disconsolate, dismal, gloomy, grim, sorry, drab, drear, dreary
(adjective) causing dejection; “a blue day”; “the dark days of the war”; “a week of rainy depressing weather”; “a disconsolate winter landscape”; “the first dismal dispiriting days of November”; “a dark gloomy day”; “grim rainy weather”
gloomy, grim, blue, depressed, dispirited, down, downcast, downhearted, down in the mouth, low, low-spirited
(adjective) filled with melancholy and despondency; “gloomy at the thought of what he had to face”; “gloomy predictions”; “a gloomy silence”; “took a grim view of the economy”; “the darkening mood”; “lonely and blue in a strange city”; “depressed by the loss of his job”; “a dispirited and resigned expression on her face”; “downcast after his defeat”; “feeling discouraged and downhearted”
grim, inexorable, relentless, stern, unappeasable, unforgiving, unrelenting
(adjective) not to be placated or appeased or moved by entreaty; “grim determination”; “grim necessity”; “Russia’s final hour, it seemed, approached with inexorable certainty”; “relentless persecution”; “the stern demands of parenthood”
dour, forbidding, grim
(adjective) harshly uninviting or formidable in manner or appearance; “a dour, self-sacrificing life”; “a forbidding scowl”; “a grim man loving duty more than humanity”; “undoubtedly the grimmest part of him was his iron claw”- J.M.Barrie
black, grim, mordant
(adjective) harshly ironic or sinister; “black humor”; “a grim joke”; “grim laughter”; “fun ranging from slapstick clowning ... to savage mordant wit”
Source: WordNet® 3.1
Adjective
grimmest
superlative form of grim: most grim
Source: Wiktionary
GRIM
Grim, a. [Compar. Grimmer (-mer); superl. Grimmest (.] Etym: [AS.
grim; akin to G. grimm, equiv. to G. & D. grimmig, Dan. grim, grum,
Sw. grym, Icel. grimmr, G. gram grief, as adj., hostile; cf. Gr.
Definition: Of forbidding or fear-inspiring aspect; fierce; stern; surly;
cruel; frightful; horrible.
Whose grim aspect sets every joint a-shaking. Shak
.
The ridges of grim war. Milton.
Syn.-- Fierce; ferocious; furious; horrid; horrible; frightful;
ghastly; grisly; hideous; stern; sullen; sour.
Source: Webster’s Unabridged Dictionary 1913 Edition