意地悪な (translations)→ abusive ruffian snotty spitefulness tricky
残酷な (translations)→ brutish cruel cruelly draconian exquisite flinty unmerciful
無遠慮な (translations)→ blunt discourteous immodest
理不尽な (translations)→ arbitrary illogical irrational outrageous senseless unreasonable
冷たい (translations)→ badly bitter chill chilly cold cold-blooded coldly coldness cool dry iciness sharp steely uncaring ungracious