1. (a.) Disposed to revenge; prompted or characterized by revenge; revengeful\.

2. (a.) Punitive.

Spartan Spartanic adamant adamantine affording no hope alarming anguished anxious apathetic appalling astounding astringent atrocious austere authoritarian awe-inspiring awesome awful baneful barbarous barfy beastly beetle-browed black black-browed bleak bloodthirsty bored brutal brutish bum cast-iron certain cheerless cheesy cold comfortless crappy creepy cruel crummy dark dead set decided decorous dejected demanding demure depressed despairing desperate despondent determined dire direful dirty disconsolate discontented disgusted dismal dogged dour dread dreaded dreadful drear drearisome dreary dumpish earnest eerie evil evil-favored evil-looking exacting exigent fell feral ferocious fiendish fierce firm fixed flagitious flinty forbidding foreboding forlorn formal formidable frightening frightful frowning funebrial funereal ghastly ghoulish gloomy glowering glum godawful goshawful grave gray grim-faced grim-visaged grisly grotesque gruesome grum hairy hard hard-core hard-favored hard-featured hard-visaged harrowing harsh headstrong heartless heinous hideous homicidal hopeless horrendous horrible horrid horrific horrifying humorless icky ill-favored ill-featured ill-looking immovable immutable implacable impliable in bad humor in despair inclement inelastic inevitable inexorable infestive inflexible inhuman inhumane iniquitous intractable intransigent iron irreconcilable joyless loathsome long-faced lowering lurid macabre melancholy merciless meticulous mirthless miserable monstrous moodish moody mopey moping mopish morbid morose mortal mumpish murderous nauseated nauseous obdurate obstinate offensive ominous out of humor out of sorts pitiless pleasureless prey to malaise punk putrid redoubtable relentless repelled repugnant repulsive resolute revolted revolting rigid rigorous rock-ribbed rotten rough rugged ruthless sad saturnine savage schrecklich scowling sedate serious set severe shitty shocking sickened sinister sober sober-minded sobersided solemn somber sombrous sorry sorryish staid steadfast steely stern stiff stinking stinky stone-faced stony straight-faced strict stringent stubborn suffering angst sulky sullen surly terrible terrific terrifying thoughtful tough tragic tremendous triste truculent unaffected unalterable unappeasable unbending