open primary open-plan • open-roofed · · · Info · Definitions · Characters · · open primary · · Text Common · · Latin · · Scripts 12 · · Length 5 · · Syllables Definitions · · · (noun) a primary in which any registered voter can vote (but must vote for candidates of only one party). Synonyms: open primary. · · Noun Definition 1 Characters · · space U+0020 a latin small letter a U+0061 e latin small letter e U+0065 i latin small letter i U+0069 m latin small letter m U+006D n latin small letter n U+006E o latin small letter o U+006F p latin small letter p U+0070 r latin small letter r U+0072 y latin small letter y U+0079