teaspoonful

noun

tea·​spoon·​ful ˈtē-ˌspün-ˌfu̇l 

-ˈspün-

plural teaspoonfuls ˈtē-ˌspün-ˌfu̇lz 

-ˈspün-

also teaspoonsful ˈtē-ˌspünz-ˌfu̇l 

-ˈspünz-

1

: as much as a teaspoon can hold

2

: teaspoon sense 2

Examples of teaspoonful in a Sentence

Recent Examples on the Web

If glaze is too thick to spread, add more milk by 1/2 teaspoonfuls as needed. —The Know, Denver Post, 12 Dec. 2025

To help manage fullness: Two rounded teaspoonfuls mixed in 8 ounces of fluid up to three times a day with meals. —Megan Nunn, Verywell Health, 25 Feb. 2025

By painstakingly tweaking their processes, Taylor and her colleagues have scaled production from a pinprick to two teaspoonfuls at a time, at a cost that Ghevaert estimated at roughly seventy-five thousand dollars per syringe. —Nicola Twilley, The New Yorker, 3 Feb. 2025

Place a heaping teaspoonful of pesto in center of medallions. —Catharine Kaufman, San Diego Union-Tribune, 13 Jan. 2025

Word History

First Known Use

1731, in the meaning defined at sense 1

Rhymes for teaspoonful

• tablespoonful
• tuneful

Kids Definition

teaspoonful

noun

tea·​spoon·​ful ˈtē-ˌspün-ˌfu̇l 

-ˈspün-

plural teaspoonfuls

-ˌfu̇lz

also teaspoonsful -ˌspünz-ˌfu̇l 

-ˈspünz-

1

: as much as a teaspoon can hold

2

: teaspoon sense 2

Medical Definition

teaspoonful

noun

tea·​spoon·​ful -ˌfu̇l 

plural teaspoonfuls -ˌfu̇lz  also teaspoonsful -ˌspünz-ˌfu̇l, -ˈspünz- 

: teaspoon