grimness Synonyms

asperity severity luridness rigorousness rigour rigourousness severeness hardship gruesomeness rigor ghastliness stringency strictness stiffness sternness solemnity sobriety die-hardism seriousness rigors remorselessness obdurateness incompliancy forbiddingness dourness bleakness intransigence intransigency relentlessness rigidness hardness grayness gravity graveness gloominess frightfulness dismalness direness dejection darkness austerity harshness implacability rigidity obduracy misery melancholy inflexibleness inflexibility inexorableness