potent

1 having an abundance of some characteristic quality (as flavor) a potent tea that is the perfect morning pick-me-up Synonyms big, concentrated, full, heady, lusty, muscular, plush, full-bodied, rich, robust, strongRelated Words heavy; straight, undiluted, unmixed; high-octane, high-test; enriched, fortified; concentratedNear Antonyms dilute, diluted, watered-down, wateryAntonyms delicate, light, mild, thin, thinned, weak, weakened

2 having great power or influence a potent argument for expanding our program of space exploration Synonyms heavy, heavy-duty, influential, mighty, important, 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

3 producing or capable of producing a desired result potent medicine that can be obtained through a doctor's prescription Synonyms effectual, efficacious, efficient, fruitful, operative, effective, productiveRelated Words hyperefficient, ultraefficient; adequate, capable, competent; accomplished, adept, consummate, experienced, expert, masterly, practiced (also practised), proficient, skilled, skillful, versed, veteran, virtuoso; cogent, convincing, killer, sound, striking, telling, valid; active, dynamic; useful, working; applicable, feasible, functional, practicable, practical, realizable, usable (also useable), workableNear Antonyms counterproductive; incapable, incompetent, inexperienced, inexpert, unqualified, unseasoned, unskilled, unskillful; abortive, bootless, futile, vain; empty, hollow, idle, pointless, unavailing, unprofitable, unsuccessful; inoperative, worthlessAntonyms fruitless, ineffective, ineffectual, inefficient, inoperative, unfruitful, unproductive, useless