teacher

noun

teach·​er ˈtē-chər 

1

: one that teaches

especially : one whose occupation is to instruct

2

: a Latter-day Saint ranking above a deacon in the Aaronic priesthood

Synonyms of teacher

• educator
• instructor

Examples of teacher in a Sentence

Experience is a good teacher.

She is a first-grade teacher.

a teacher of driver's education

Recent Examples on the Web

To be fair, parents, teachers, and students alike, by and large, defend Kipley’s choice. —Melissa Willets, Parents, 22 Nov. 2025

As a former middle school teacher, Bell wanted to weave in historical elements for the character, basing him on Saint Nicholas of Myra, an orphan who dedicated his life to helping others. —Meredith Wilshere, PEOPLE, 22 Nov. 2025

Unlike at private schools, most public school teachers are unionized, and teachers unions generally back Democrats. —Arkansas Online, 22 Nov. 2025

The conduct cited regarding appropriate care and supervision of children included an instance in July 2025 when only one teacher accompanied 20 children to a park for outdoor activities. —CBS News, 21 Nov. 2025

Word History

First Known Use

14th century, in the meaning defined at sense 1

Phrases Containing teacher

• head teacher
• parent-teacher association
• student teacher
• substitute teacher
• supply teacher
• teacher's pet

Rhymes for teacher

• bleacher
• creature
• feature
• preacher
• reacher
• schoolteacher

Kids Definition

teacher

noun

teach·​er ˈtē-chər 

: one that teaches

especially : a person whose occupation is to instruct