“Malignant” in Japanese
Short answer
Malignant in Japanese is “悪質” (akushitsu). Full meaning: malicious, vicious, malignant, underhanded; shoddy, inferior, poor-quality, second-rate.
Other ways to say “Malignant” in Japanese
悪性
akushou evil nature, licentiousness, lewdness; malignant (cancer), virulent, pernicious (anemia, anaemia)
たちが悪い
tachigawarui of bad character, ill-natured, nasty, vicious, wicked, malignant
たちの悪い
tachinowarui of bad character, ill-natured, nasty, vicious, wicked, malignant
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