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

Gazans will need not only nutritious food but also teachers and schools, therapists and clinics, doctors and hospitals, homes and jobs. —Clayton Dalton, New Yorker, 18 Oct. 2025

Zack Barnes, a professor of education and former middle school teacher, said initiatives that motivate children to read widely—especially books that challenge norms—can be critical for development. —Melissa Fleur Afshar, MSNBC Newsweek, 18 Oct. 2025

These funds provide supplemental instruction in reading and math, professional development for teachers, resources for parent involvement, and services for students experiencing homelessness. —Grace Tucker, Cincinnati Enquirer, 18 Oct. 2025

The couple notified their children’s school so teachers would be aware when classes resumed in the fall. —Faith Karimi, CNN Money, 18 Oct. 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