noun
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a set of two corresponding things; a pair.
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a pair of opposites.
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the feeling of being dual or separate from; dualism.
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a physical combat between only two persons.
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lack of certainty; uncertainty; doubt.
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a disputing; a dispute; heated argument.
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a discussion between two that is supposed to be kept from the knowledge of others.
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(gram.) a compound word in which both the words combined without lowering the importance of either of them.