potency

noun

po·​ten·​cy ˈpō-tᵊn(t)-sē 

plural potencies

1

a

: force, power

b

: the quality or state of being potent

c

: the ability or capacity to achieve or bring about a particular result

2

: potentiality sense 1

Synonyms of potency

• power
• strength
• energy
• muscle
• capacity

Examples of potency in a Sentence

The potency of her words changed many minds in the audience that night.

Any vitamin of high potency should only be taken in the proper dosage.

Recent Examples on the Web

The Food Processor quickly chops, slices, and shreds a wide array of ingredients for unlimited culinary creations, while the Coffee & Spice Grinder efficiently grinds coffee beans, spices, and herbs for superior flavor and potency. —ABC News, 20 June 2026

Nitazenes are predominantly sold online, both on the clear web and dark web, and are often laced into other substances to increase their potency. —Jonathan Moens — Bellingcat, STAT, 18 June 2026

The potency of today’s cannabis makes these concerns hard to dismiss. —Sarah Levy, The Atlantic, 17 June 2026

Reforms that once seemed like silver bullets have lost their potency. —Nick Lichtenberg, Fortune, 17 June 2026

Word History

First Known Use

15th century, in the meaning defined at sense 1a

Kids Definition

potency

noun

po·​ten·​cy ˈpōt-ᵊn-sē 

plural potencies

: the quality or state of being potent

vitamins of high potency

especially : power to bring about a certain result

Medical Definition

potency

noun

po·​ten·​cy ˈpōt-ᵊn-sē 

plural potencies

: the quality or state of being potent: as

a

: chemical or medicinal strength or efficacy

a drug's potency

b

: the ability to copulate

—usually used of the male

c

: initial inherent capacity for development of a particular kind

cells with a potency for eye formation