adjective
destructive
Synonyms: agitated, aroused, berserk, bloodthirsty, brutal, coercive, crazy, cruel, demoniac, desperate, distraught, disturbed, enraged, fierce, fiery, forceful, forcible, frantic, fuming, furious, great, headstrong, homicidal, hotheaded, hysterical, impassioned, impetuous, inflamed, intemperate, mad, maddened, maniacal, mighty, murderous, passionate,potent, powerful, raging, riotous, rough, savage, strong, uncontrollable, ungovernable, unrestrained, urgent, vehement, vicious, wild
Antonyms: gentle, passive, peaceful
adjective
severe, extreme
Synonyms: acute, agonizing, biting, blustery, coercive, concentrated, devastating, excruciating, exquisite, forceful, forcible, gale force, great, harsh, immoderate, inordinate, intense, mighty, outrageous, painful, potent, powerful, raging, rough, ruinous, sharp, strong, tempestuous, terrible, tumultous/tumultuous, turbulent, wild
Antonyms: calm, gentle, mild, moderate