凶きょう日じつきょうじつMeanings1noununlucky day; inauspicious dayUsed in traditional Japanese calendar contexts (e.g., rokuyō) to refer to a day considered unlucky for important events like weddings or funerals.結けっ婚こん式しきの日ひ取どりを決きめるとき、凶きょう日じつは避さける人ひとが多おおい。