congruent

4 antonyms for congruent — opposites grouped by meaning.

Adjective — In geometry, having exactly the same shape and size, so that one figure can be laid over the other and match it point for point.

Synonyms by Meaning

1. adjective technical

In geometry, having exactly the same shape and size, so that one figure can be laid over the other and match it point for point.

“The two triangles are congruent because all three sides are equal.”

identical superimposable congruous

Opposites

incongruent

2. adjective

In agreement with something else, or suitable to it.

“The policy is congruent with the values the company claims to hold.”

consistent compatible in harmony coherent matching

Opposites

incongruous inconsistent incompatible

Antonyms

incongruent incongruous inconsistent incompatible

How to use congruent

The word patterns that sound natural to a native speaker.

congruent triangles congruent with congruent shapes mutually congruent

The geometric sense is technical; the general sense is formal and common in psychology and management writing.

Etymology

From Latin congruent-, the present participle of congruere "to come together, agree".

Full origin of congruent →

Frequently asked questions

What is the difference between congruent and similar shapes?

Congruent shapes are the same shape and the same size; similar shapes are the same shape but may differ in size. Every pair of congruent figures is also similar, with a scale factor of one, but similar figures are only congruent when that scale factor is exactly one.

Does flipping or turning a shape make it non-congruent?

No. Congruence is preserved by rotation, reflection and translation, because none of these changes the lengths or angles. Only resizing, stretching or distorting the figure breaks congruence.

What is the difference between congruent and congruous?

They overlap, but congruent is now the standard word for both the geometric sense and the sense of being in agreement. Congruous is rare and survives mainly through its opposite, incongruous, meaning out of place or jarringly unsuitable.

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consistent identical matching compatible inconsistent coherent incompatible congruous incongruous incongruent

Nearby words

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