dialectical
US /ˌdaɪ.əˈlek.tɪ.kəl/
UK /ˌdaɪ.əˈlek.tɪ.kəl/

1.
relating to the philosophical concept of dialectic, especially in the context of Hegel or Marx, involving the interplay of opposing forces or ideas.
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The philosopher discussed the dialectical process of history.
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Their relationship was characterized by a constant dialectical tension.
2.
relating to or characteristic of dialect; linguistic.
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The researcher studied the dialectical variations in regional speech.
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Her accent had a distinct dialectical flavor.