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

More than 15 teacher education programs at both the undergraduate and graduate levels are being eliminated. —Michael T. Nietzel, Forbes.com, 1 July 2025

My sweet teacher friend, Salena Lindesmith, mom of one, is always in athleisure and well-admired for it. —Jacquelyn Smith, Parents, 1 July 2025

Former middle school teacher Lorraine Carter Salazar isn't easily embarrassed. —Megan Myscofski, NPR, 1 July 2025

In May, a Sacramento Bee investigation found that St. Hope leadership misled the district about an investigation into teacher allegations that a coach was partying with his students. —Jennah Pendleton, Sacbee.com, 1 July 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