teacher

noun

teach·​er ˈtē-chər 

1

: one that teaches

especially : one whose occupation is to instruct

2

: a Mormon ranking above a deacon in the Aaronic priesthood

Synonyms

• 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

Some may argue these shifts undermine teacher autonomy. —Marielys Divanne, New York Daily News, 19 Aug. 2025

When Alabama enacted a new law keeping phones out of classrooms for the 2025-2026 school year, one teacher saw an instant change. —Rachel Hale, USA Today, 19 Aug. 2025

This wasn’t something that he was taught to do; my father was his own teacher, and adapted to whatever was presented to him in the moment out of necessity. —Rich Tabaka, Forbes.com, 19 Aug. 2025

The Friends of the Carmel Valley Library will present celebrated local concert violinist and teacher Christian Gonzales on Tuesday, Aug. 26, at 6:30 p.m. in the library’s Community Room. —News Release, San Diego Union-Tribune, 18 Aug. 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