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

The teacher said that on the morning of Jan. 22, Hirsch asked to go to the school nurse to get a bandage for a large cut and several other small cuts on his hand. —Lesley Cosme Torres, People.com, 7 Aug. 2025

Help on both sides of the floor With the acquisitions of Jrue Holiday and Damian Lillard, Henderson now has quite possibly the best teachers to lean on in the coming season. —Morten Stig Jensen, Forbes.com, 7 Aug. 2025

The actor played a suburban high school teacher named Bob Adams. —James Mercadante, EW.com, 7 Aug. 2025

She was also backed by the Liberty & Justice for Kentucky PAC, with a nearly $500,000 campaign contribution that included $200,000 from the Jefferson County teachers' union's PAC. —Lucas Aulbach, The Courier-Journal, 7 Aug. 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