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

Brams interviewed Horner for about 12 hours and also met with his mother, his grandmother, the mother of his child, his brother, friends, an aunt, and one of his special education teachers. —Amy McDaniel, Fort Worth Star-Telegram, 4 May 2026

Schools Chancellor Kamar Samuels in March provided teachers and principals with initial guidance on AI in the classroom, with a full playbook due next month. —Cayla Bamberger, New York Daily News, 4 May 2026

Below is a roundup of deals in the Boston area for teachers and nurses. —Neal Riley, CBS News, 4 May 2026

Reading will be led by former teacher Eleanor Tiglao. —Hema Sivanandam, Mercury News, 4 May 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