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Definition of teacher

teacher

/ˈtiːtʃər/
teach · er
Plural:teachers
•
Adjective:teacherly
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teacher Lexical Profile

teacher Game Scores & Validity

• noun

1

A person who instructs or educates others, especially as a profession in a school, college, or university.

Example

"Our history teacher brought primary source documents to class so we could analyze them firsthand."

2

Something, such as an experience or event, that provides valuable knowledge, insight, or wisdom.

Example

"Many entrepreneurs believe that failure is the best teacher when building a new business."

Synonyms
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Antonyms
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• Rhymes for teacher

• Nearby Words

teach
teachability
teachable
teacher
teacherless
teacherly
teaching

Word Origin & Etymology

Recorded in Middle English around the late 13th century as 'techere', derived from the Old English verb 'tǣcan' (to show, point out, or instruct) combined with the agentive suffix '-er'.

Cite this Entry

Wordmom. (2026). Definition of Teacher. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/teacher
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