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

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

Sprinkle the powder around plants before mulching, or mix a teaspoonful into a cup of water before watering. — Karen Brewer Grossman, Southern Living, 30 Apr. 2026

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