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Uses new Rust 2024

1.4.1 Oct 17, 2025
1.3.0 Sep 29, 2025
0.45.0 Jul 31, 2025
0.40.1 Mar 27, 2025
0.3.2 Feb 20, 2020

#2435 in Text processing

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46,954 downloads per month
Used in 21 crates (via lindera)

MIT license

315KB
6.5K SLoC

Lindera IPADIC

License: MIT Crates.io

Dictionary version

This repository contains mecab-ipadic.

Dictionary format

Refer to the manual for details on the IPADIC dictionary format and part-of-speech tags.

Index Name (Japanese) Name (English) Notes
0 表層形 Surface
1 左文脈ID Left context ID
2 右文脈ID Right context ID
3 コスト Cost
4 品詞 Part-of-speech
5 品詞細分類1 Part-of-speech subcategory 1
6 品詞細分類2 Part-of-speech subcategory 2
7 品詞細分類3 Part-of-speech subcategory 3
8 活用形 Conjugation form
9 活用型 Conjugation type
10 原形 Base form
11 読み Reading
12 発音 Pronunciation

User dictionary format (CSV)

Simple version

Index Name (Japanese) Name (English) Notes
0 表層形 Surface
1 品詞 Part-of-speech
2 読み Reading

Detailed version

Index Name (Japanese) Name (English) Notes
0 表層形 Surface
1 左文脈ID Left context ID
2 右文脈ID Right context ID
3 コスト Cost
4 品詞 Part-of-speech
5 品詞細分類1 Part-of-speech subcategory 1
6 品詞細分類2 Part-of-speech subcategory 2
7 品詞細分類3 Part-of-speech subcategory 3
8 活用形 Conjugation form
9 活用型 Conjugation type
10 原形 Base form
11 読み Reading
12 発音 Pronunciation
13 - - After 13, it can be freely expanded.

API reference

The API reference is available. Please see following URL:

Dependencies

~14–30MB
~458K SLoC