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

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

Lawmakers punted the farm bill to next fall, and the sugar program amounts to just a teaspoonful in this massive bill. —Laurent Belsie, The Christian Science Monitor, 18 Dec. 2023

The large cup contains more caffeine than standard cans of Red Bull and Monster energy drinks combined, as well as the equivalent of almost 30 teaspoonfuls of sugar. —Elizabeth Chuck, NBC News, 28 Oct. 2023

Dollop 8 rounded teaspoonfuls strawberry glaze over batter, and swirl with a wooden skewer. —Southern Living Test Kitchen, Southern Living, 5 Sep. 2023

Word History

First Known Use

1731, in the meaning defined at sense 1

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