acute, almighty, blistering, deep, dreadful, excruciating, explosive, exquisite, fearful, fearsome, ferocious, fierce, frightful, furious, ghastly, hard, heavy, heavy-duty, hellacious, intense, keen, profound, terrible, vehement, vicious, violent

accentuated, aggravated, concentrated, deepenedemphasized, enhanced, heightened, intensified, magnifiedstressedexhaustive, thoroughharsh, rigorous, severe

light, moderate, soft

feeble, weakshallow, superficialmoderated, qualifiedalleviated, eased, lightened, toned (down)abated, decreased, diminished, lessened, reduced, subdued