Langimage
English

noncongruent

|non-con-gru-ent|

C1

🇺🇸

/ˌnɑn.kənˈɡruːənt/

🇬🇧

/ˌnɒn.kənˈɡruːənt/

not matching / not agreeing

Etymology
Etymology Information

'noncongruent' is formed from the negative prefix 'non-' (from Latin 'non', meaning 'not') plus 'congruent', which originates from Latin 'congruēns', the present participle of 'congruere' where 'con-' meant 'together' and 'gruere' meant 'to come together'.

Historical Evolution

'congruēns' entered English via Latin (and through Medieval/Modern scholarly usage) as 'congruent'; the prefix 'non-' was later attached in Modern English to produce 'noncongruent'.

Meaning Changes

Originally 'congruent' meant 'agreeing, fitting together'; over time that core sense remained, and 'noncongruent' came to mean 'not agreeing or not fitting together' (including the technical sense 'not congruent' in mathematics).

Meanings by Part of Speech

Adjective 1

not in agreement, harmony, or correspondence; lacking conformity or consistency with something else.

The two witnesses' accounts were noncongruent, making it hard to determine what actually happened.

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Adjective 2

(Mathematics/geometry) Not congruent; not identical in shape and size or not equivalent under a congruence relation.

Those two triangles are noncongruent because their corresponding sides have different lengths.

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Last updated: 2025/12/08 00:24