[ tee-cher ]
See synonyms for: teacherteachers on Thesaurus.com

  1. a person who teaches or instructs, especially as a profession; instructor.

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Origin of teacher

First recorded in 1250–1300, teacher is from the Middle English word techer.See teach, -er1

Other words from teacher

  • teach·er·less, adjective
  • teach·er·ship, noun
  • non·teach·er, noun
  • self-teacher, noun
  • un·der·teach·er, noun

Words Nearby teacher

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use teacher in a sentence

British Dictionary definitions for teacher


/ (ˈtiːtʃə) /

  1. a person whose occupation is teaching others, esp children

  2. a personified concept that teaches: nature is a good teacher

Derived forms of teacher

  • teacherless, adjective

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012