soy

noun

ˈsȯi 

1

or chiefly British soya

ˈsȯi-ə 

: soybean

Products that contain isoflavones—and are commonly called phytoestrogens—come from plants and legumes (such as soy), and show promise for decreasing hot flashes and may improve cholesterol.

—Michelle P. Warren

Producing meat in this ever-more crowded world requires creating new pastures and planting more land for imported feeds, particularly soy, instead of relying on local grazing.

—The New York Times

—often used before another noun

soy milk

soy protein

a soy latte [=a latte made with soy milk]

2

: a food product made from or containing soy beans: such as

a

: soy sauce

Roy Choi, the Los Angeles restaurateur, advises sneaking a pat of butter and a splash of soy into instant ramen.

—Sam Sifton

b

: tofu, bean curd

In this narrow slice of a restaurant, house-made fried tofu in three flavors … draws crowds for good reason: The shop renders soy into cubes as light and fluffy as scrambled eggs.

—Washingtonian

Examples of soy in a Sentence

His book promotes the health benefits of soy.

The recipe calls for two tablespoons of soy.

Recent Examples on the Web

Alternatively, if protein is priority, consider soy yogurt. —Kirsten Nunez, Martha Stewart, 2 May 2026

My pick was the Tan Tan Men ramen, with chicken soy broth, sesame essence, ground pork, baby Bok choy, shredded leeks and chili oil. —Miguel Otárola, Denver Post, 30 Apr. 2026

Earthquakes, firebombing, and rampant development have left few examples of old architecture in Tokyo, but in 1993 the Tokyo government set aside about seventeen acres for this collection of historic buildings, which range from farmhouses and soy-sauce shops to private homes and public bathhouses. —Condé Nast, Condé Nast Traveler, 30 Apr. 2026

Drowning a piece in soy is the dining equivalent of pouring ketchup on an expensive cut of steak. —Lauren Schuster, Fort Worth Star-Telegram, 29 Apr. 2026

Word History

Etymology

Japanese shōyu

First Known Use

1696, in the meaning defined at sense 2

Phrases Containing soy

• soy boy
• soy milk
• soy sauce

Rhymes for soy

• boy
• choy
• coy
• croy
• foy
• hoi
• hoy
• joy
• loy
• oy
• ploy
• toy

Kids Definition

soy

noun

ˈsȯi 

1

: soy sauce

2

: soybean