impropio
improper
adjective eem-PROH-pyoh Rare
Origin: From Latin improprius.
Also means
inappropriate
Usage Note
Impropio can describe behavior that violates social norms (conducta impropia) or language that is technically incorrect (uso impropio de una palabra). The antonym is propio. Do not confuse with the English 'improper fraction', which is fracción impropia — a calque but a true match here.
Examples
"Su conducta fue completamente impropia."
Natural Translation
His behavior was completely improper.
Related Words
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