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

Baird is also a former teacher and current commercial real estate broker, with bachelors’ degrees in business and psychology from Baker University. — Ilana Arougheti, Kansas City Star, 25 July 2026

Colt Gray, the Georgia teenager who fatally shot two teachers and two students and wounded nine others at Apalachee High School in September 2024, pleaded guilty Friday to four counts of murder and dozens of other charges. — Isabel Rosales, CNN Money, 24 July 2026

Some committee members talked about how some teachers and students are in classrooms where the air conditioning did not work. — Elizabeth Campbell, Fort Worth Star-Telegram, 24 July 2026

First Ascent is designed to keep West Virginia college graduates from leaving the state; Teachers Ascend seeks to recruit classroom teachers; and Ascend Heroes is meant to attract military veterans. — Scott Neuman, NPR, 24 July 2026

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