いけない (translations)→ bad harm matter naughty ought trouble unable unfortunate
いやな (translations)→ awful bilious boring dirty disagreeable dismal disturbingly dreadful frightful harsh leprous lousy noisome odious ominously paralytic queasy shitty terrifying troubled unloved unwanted
いやらしい (translations)→ beastly creepy disgusting loathsome obscene putrid repulsive revolting slug stink ugly
おそろしい (translations)→ appalling chillingly fatal frighteningly horrible terrible
すさまじい (translations)→ awfulness badly brutal desperately distorting ferocious fierce gigantic great horrifying incredible intense large mean-spirited mighty oppressive pervade reckless shocking sick tremendous
ふとどきな (translations)→ disgraceful outrageous
もったいない (translations)→ absurd tempting
よからぬ (translations)→ evil rogue unsavoury
わるい (translations)→ bum fault guilty rageful
悪い (translations)→ crude dangerous filthy gloomy hard jarring miserable nasty negative poor rough slow sorry unsettling vile weakness wrong wrongful
悪しき (translations)→ knavish worse
意地の悪い (translations)→ baleful despiteful malign villainous