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

Velasco's wife, a teacher who earned her doctorate alongside him, pushed him to change his approach. —Erick Trevino, AZCentral.com, 7 Sep. 2025

The film follows the real-life story of a bus driver, Kevin McKay, and teacher Mary Ludwig, who helped drive to safety a bus full of kids amid California's 2018 Camp Fire. —Joey Nolfi, Entertainment Weekly, 6 Sep. 2025

America Ferrera plays Mary Ludwig, a teacher who refuses to leave her students behind. —Clayton Davis, Variety, 6 Sep. 2025

The movie tells the story of bus driver Kevin McKay (Matthew McConaughey) and school teacher Mary Ludwig (America Ferrera), who saved the lives of 22 children as the most catastrophic wildfire in California history rages around them. —Tomris Laffly, Time, 6 Sep. 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