From English bisexual and cognates in other European languages.
בִּיסֶקְסוּאָלִי • (biseksu'áli) (feminine בִּיסֶקְסוּאָלִית, masculine plural בִּיסֶקְסוּאָלִים, feminine plural בִּיסֶקְסוּאָלִיּוֹת)