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Plural rule guide

What is the Plural of “Criterion”?

Learn the singular and plural noun forms, the rule behind the plural, and examples that show the form in context.

SingularcriterionPluralcriteria
Rule: irregular

Singular and Plural Form of Criterion

Criterion is the singular noun form. Criteria is the plural form.

Why is the Plural of Criterion “criteria”?

The Irregular Plural Rule for Criterion

This noun has an irregular plural form that does not follow standard English pluralization rules.

How to Remember the Plural of Criterion

“criterion” → “criteria” is an irregular plural — there is no rule, so memorise the pair as a whole. Try writing it in 3 sentences today.

Frequently Asked Questions About the Plural of Criterion

What is the plural of “criterion”?

The plural of “criterion” is “criteria”.

Is “criteria” regular or irregular?

This page classifies it as irregular based on the available plural data.

Explore “Criterion” in Other Tools