Synonyms and Antonyms of heavy–duty
1 extreme in degree, power, or effect <some heavy-duty lobbying on the part of the president to get the bill passed> Synonyms acute, almighty, blistering, deep, dreadful, excruciating, explosive, exquisite, fearful, fearsome, ferocious, fierce, frightful, furious, ghastly, hard, heavy, heavy-duty, hellacious, intensive, keen, profound, terrible, vehement, vicious, violentRelated Words accentuated, aggravated, concentrated, deepened; emphasized, enhanced, heightened, intensified, magnified; stressed; exhaustive, thorough; harsh, rigorous, severeNear Antonyms feeble, weak; shallow, superficial; moderated, qualified; alleviated, eased, lightened, toned (down); abated, decreased, diminished, lessened, reduced, subduedAntonyms light, moderate, soft
2 having great power or influence <a group of heavy-duty politicians and other notables attended the gala> Synonyms heavy, heavy-duty, influential, mighty, potent, powerful, puissant, significant, strongRelated Words high-level, senior, top; able, capable, competent, effective, efficient; authoritarian, autocratic (also autocratical), despotic, dictatorial, magisterial, tyrannical (also tyrannic); celebrated, distinguished, dominant, eminent, famed, famous, great, illustrious, noble, notable, noteworthy, notorious, outstanding, preeminent, prestigious, prominent, renowned; dynamic, energetic, forceful, high-powered, robust, vigorousNear Antonyms feeble, flimsy, frail, infirm; anonymous, nameless, obscure, uncelebrated, unknown; incapable, incompetent, ineffective, inept, inexpert, unfit, unqualified, unskilled, unskillfulAntonyms helpless, impotent, insignificant, little, powerless, unimportant, weak
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