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untheoretical

adjective un·the·o·ret·i·cal \ ˌən-ˌthē-ə-ˈre-ti-kəl , -ˌthir-ˈe- \

Definition of untheoretical

: not theoretical

… his willingness to listen to those who may have an untheoretical "feel" for the market …
—Martin Sandbu

First Known Use of untheoretical

1797

in the meaning defined above

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