悪化【あっか】
deterioration, getting worse, worsening, aggravation, degeneration, corruption
悪【あく】
evil, wickedness, (role of) the villain (in theatre, etc.), the bad guy
最悪【さいあく】
worst, horrible, horrid, awful, terrible, in the worst case, if worst comes to worst
悪質【あくしつ】
malicious, vicious, malignant, underhanded, shoddy, inferior, poor-quality, second-rate
悪魔【あくま】
devil, demon, fiend, Satan, the Devil, Māra, evil spirits or forces that hinder one's path to enlightenment
悪口【わるぐち】
slander, bad-mouthing, abuse, insult, speaking ill (of)
悪循環【あくじゅんかん】
vicious circle, vicious cycle
悪夢【あくむ】
nightmare, bad dream
凶悪【きょうあく】
atrocious, heinous, fiendish, brutal, vicious
憎悪【ぞうお】
hatred, abhorrence, loathing, detestation
険悪【けんあく】
dangerous, perilous, threatening, stormy, volatile, tense, critical, serious, stern (expression), hostile (attitude), sharp, harsh
悪性【あくせい】
malignant (cancer), virulent, pernicious (anemia, anaemia)
劣悪【れつあく】
inferior, coarse, poor quality, inadequate, deteriorated
悪臭【あくしゅう】
stink, bad odor, bad odour, stench
嫌悪【けんお】
disgust, hate, repugnance, loathing
悪人【あくにん】
bad person, villain, scoundrel, wrongdoer, wicked person
悪者【わるもの】
bad guy, villain, evildoer, scoundrel
悪意【あくい】
ill will, spite, evil intention, malice, bad meaning, mala fides, bad faith, criminal intent to deceive, malice
悪女【あくじょ】
wicked woman, ugly woman
善悪【ぜんあく】
right and wrong, good and evil