Synonyms of potency

potency

noun

ˈpō-tᵊn(t)-sē 

as in power

the ability to exert effort for the accomplishment of a task

vitamins of high potency that should be taken only in the proper dosage

Synonyms & Similar Words

• power
• strength
• energy
• muscle
• capacity
• vigor
• capability
• potence
• horsepower
• firepower
• force
• competence
• might
• competency
• puissance
• effectiveness
• sinew
• aptitude
• usefulness
• adequacy
• effectualness

Antonyms & Near Antonyms

• impotence
• weakness
• impotency
• powerlessness
• inability
• disability
• incompetence
• incapacity
• incompetency
• inaptitude
• incapability
• ineffectiveness
• inefficacy
• uselessness
• ineffectuality
• helplessness
• paralysis
• ineffectualness
• incapableness
• inefficaciousness

Example Sentences

Recent Examples of potency

Drug dealers mix fentanyl with other drugs, including heroin, methamphetamine and cocaine, because of its potency and low cost, increasing the risk of a fatal overdose, according to the DEA. — Rosalio Ahumada, Sacbee.com, 6 Aug. 2026

In the lead-up to the last presidential election, academics and tech observers were concerned about the increasing potency of deepfakes, believing that synthetic images and replications of political figures would sow chaos on and offline. — Max Tani, semafor.com, 3 Aug. 2026

Ideally there would be enforced age restrictions, accurate labels, independent testing, and honest potency information to protect people, especially the kids who are able to casually buy it due to lax store management. — David Manheim, Rolling Stone, 28 July 2026

Now he’s paired with Currie and the collective potency of Sierra Canyon. — Ethan Hanson, Daily News, 28 July 2026