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

The governors’ endorsements of Turning Point USA, to the exclusion of other student clubs, has come under criticism from teachers unions and civil liberties groups. —ABC News, 15 Apr. 2026

Resident teachers, or teachers in training, will be the substitutes. —Lacey Beasley, CBS News, 15 Apr. 2026

The attack left 10 students, four teachers, a canteen employee and a police officer hurt, Sildak said. —Suzan Fraser, Los Angeles Times, 14 Apr. 2026

The attack left 10 students, four teachers, a school canteen employee and a police officer hurt, according to Sildak, who added that five of the teachers and students were transferred to a hospital in the provincial capital because their conditions were more serious. —Greg Norman-Diamond, FOXNews.com, 14 Apr. 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