peanut butter

noun

: a creamy food made of peanuts that is used especially as a spread, filling, or ingredient

peanut butter and jelly

smooth/chunky peanut butter

… indulgent brownies—rich with peanut butter and studded with chocolate chips …

—Gourmet

Stuffed with peanut butter, celery is the quintessential after-school snack …

—Sara Dickerman

—often used before another noun

a peanut butter sandwich

peanut butter cookies

Examples of peanut butter in a Sentence

Recent Examples on the Web

From classics like chocolate and peanuts to wilder flavors like peanut butter cinnamon roll and milk chocolate pumpkin pie, M&M’s is no stranger to pushing the flavor limits with its small but mighty candies. — Claire Hoppe Norgaard, Better Homes & Gardens, 8 Sep. 2026

Be mindful of the nutrition label when buying peanut butter or oatmeal and avoid varieties with additives, sugar, and flavorings. — Abby Norman, Verywell Health, 8 Sep. 2026

Feed the Need, a peanut butter and jelly smoothie sour, are just a couple of their out-of-the-box offerings since opening on 45 Northwest Drive, Unit A in Plainville in 2020. — Blaine Callahan, Hartford Courant, 7 Sep. 2026

Raspberry ganache peanut butter brownie bites are crowned with dark chocolate ganache and a bright touch of raspberry. — Sean Timberlake, Sacbee.com, 4 Sep. 2026

Word History

First Known Use

1881, in the meaning defined above

Kids Definition

peanut butter

noun

: a paste made chiefly of ground roasted peanuts