酷こく悪あくMeanings1na-adjective, nouninhuman; wicked; evilrare termRare literary term for extreme cruelty or wickedness; not used in everyday speech.その暴ぼう君くんの酷こく悪あくな行おこないは歴れき史しに記しるされている。The tyrant's inhuman deeds are recorded in history.