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Definition of evaluator

evaluator

/ɪˈvæl.ju.eɪ.tɚ/
e · val · u · a · tor
Plural:evaluators
•
Adjective:evaluative
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evaluator Lexical Profile

evaluator Game Scores & Validity

• noun

1

A person whose job or role is to assess, judge, or determine the quality, importance, amount, or value of something.

Example

"An independent evaluator visited the school to review the effectiveness of the new reading curriculum."

2

In computing and mathematics, an algorithm, function, or software component that computes the value of an expression or tests the performance of a model.

Example

"The developer wrote a custom expression evaluator to parse and calculate mathematical formulas entered by the user."

Synonyms
View all synonyms for evaluator

• Rhymes for evaluator

• Nearby Words

evaluate
evaluation
evaluative
evaluator
evan
evangelical
evangelicalism

Word Origin & Etymology

Formed in the mid-19th century from the verb 'evaluate' plus the agent suffix '-or'. The verb derives from French 'évaluer', ultimately tracing back to Latin 'valere', meaning 'to be strong' or 'to be of value'.

Cite this Entry

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