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subcontrary

noun sub·con·trary \ ˌsəb-ˈkän-ˌtrer-ē \

Definition of subcontrary

: a proposition so related to another that though both may be true they cannot both be false
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subcontrary

adjective

First Known Use of subcontrary

1657

in the meaning defined above

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Learn More about subcontrary

  1. See words that rhyme with subcontrary Britannica.com: Encyclopedia article about subcontrary

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