索さく引いんさくいんCommon wordJLPTN2Freq.FrequencyTop 50,000Meanings1nounindexRefers to an alphabetical or topical list of terms with page numbers, typically at the back of a book or document.この本ほんの索さく引いんで調しらべてみてください。Please look it up in the index of this book.索さく引いんを作つくるのに時じ間かんがかかった。It took time to create the index.