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serious-minded

adjective se·ri·ous-mind·ed \ ˌsir-ē-əs-ˈmīn-dəd \
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Definition of serious-minded

: having a serious disposition or trend of thought
—

serious-mindedly

adverb
—

serious-mindedness

noun

See serious-minded defined for kids

First Known Use of serious-minded

1845

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