A tag is a keyword or label that categorizes your question with other, similar questions. Using the right tags makes it easier for others to find and answer your question.
文法. A collective term for syntax (the way sentences are put together) and morphology (forms of words, including the way new words are put together). Often used to describe function words such as part…
翻訳. This site does not provide a translation service. However, questions about translation are welcome provided that they have some academic merit. For example, questions about translating uncommon w…
意味. The meaning of words or phrases within certain contexts, especially when it does not seem to match the standard definition.
使い分け. The differences between two or more words or phrases and how to select the best one for a given situation.
言葉. Any question that does not deal specifically with grammar or pronunciation. Includes questions about prefixes, suffixes, compound words, loanwords, dialectal differences, pragmatic usage, etc. In …
用法・使い方. How to use certain words, phrases, particles, endings, constructions, and their variants.
ニュアンス. Subtle differences between two seemingly interchangeable expressions.
漢字. Chinese characters as used in Japanese writing as opposed to the two kana syllabaries and rōmaji (Latin letters).
助詞. Non-inflecting function words which follow words, phrases, or entire sentences.
動詞. A class of words which describe events or states and can be inflected to indicate tense, aspect, voice, and so forth. In citation form, all Modern Japanese verbs end in -(r)u.
語源. The study of the origin of words and the historical development of their meanings. Sometimes used for kanji as well; we currently don't have a separate tag for character origins.
統語論. Rules governing construction of phrases and sentences in a language.
発音. How the Japanese language is pronounced. For questions about which readings to use for particular kanji, use the "readings" tag instead.
活用. The inflections of verbs. How the endings of verbs change to reflect grammatical factors such as tense and aspect.
読み. The reading of a kanji character or a word written in kanji characters refers to how it is “read” in terms of kana characters. Please use this tag rather than 'pronunciation' if it fits your ques…
助詞「に」. The particle に (ni) represents motion towards something (English "to") and location (English "at" and "in"). Dative, locative and temporal case particle.
テ形. A non-finite form of a verb or adjective primarily used to connect to a following predicate or subsidiary verb, with some secondary uses derived by ellipsis (e.g. of くれ or ください). In many cases it …
丁寧表現（待遇表現）. From social politeness ("please", "thank you", etc) to the technical Japanese grammatical concepts of honorifics and respectful and humble forms known as "keigo".
助詞「は」. Indicates the topic of a sentence or shows contrast in the universe of discourse.
成句. Phrases with fixed words used as a single unit, such as idioms. For questions about a particular idiom, please use the tag "idioms".
口語表現（話し言葉）. Words, forms and expressions used only in non-formal spoken language.
助詞「の」. Genitive case particle showing relationships between two nouns, such as possession. Also used for apposition (同格), to indicate subjects in relative clauses, and as a nominalizing particle (準体助…
カタカナ. That form of the Japanese kana syllabary which is not cursive and is most commonly used for (but not restricted to) writing words borrowed from other languages.
俗語. Words, expressions, etc. considered very informal, usually used mostly by in-groups, such as young people, and easily affected by trends and fashions.
助詞「と」. Used as a conjunction ("and") or preposition ("with") when attached to nouns, or "if" when attached to verbs.
助詞「が」. Nominative case particle, typically indicating the subject of a verb or other predicate. Also a conjunctive particle and, in Classical Japanese, a genitive case particle.
漫画. For questions about language usage in the context of Japanese comics (manga).
形容詞・形容動詞. Japanese doesn't technically have adjectives, but special types of nouns and verbs called na-adjectives and i-adjectives respectively have the same function.
名称. Names in Japanese, including how to use them and how to write them.
句. More than one word in a row. In linguistics, this term is used for a string of words that forms a syntactic constituent, generally with a head and zero or more dependents, above the word level but…
外来語. Words brought into Japanese from languages other than Chinese.