鋭い (translations)→ acuity acute astute brilliant corrosive crisp delicate fine intense perceptive piercing piping quick sharp sharply slashing unrelenting well-honed
厳しい (translations)→ acerbic acrimonious adamantine astringent awful difficult firm grim hard hard-time harsh heavy hurt implacable maximum monastic precarious restrain rigorous rocky severe stern sternly strict torrid trying
辛辣な (translations)→ biting cutting mercilessly mordant piquant relentless tacky ungenerous vitriolic waspish
痛烈な (translations)→ dazzling illuminating terrible
怒りっぽい (translations)→ cranky fractious irritable peevish scold snappish umbrageous