Word
Kana: にっき Romaji: nikki Level: N4

日記

Meaning in English

diary, journal

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Illustrated Dictionary
日記 - Illustrated Dictionary
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Dictionary

Word context

What it means

日記 (nikki) means a diary: a dated personal or organized record where entries note daily events, thoughts, observations, or activities; it functions as a tool for reflection, habit tracking, or factual logging and can be kept privately or published in paper or digital form.

Main meanings

  • 1. A personal, introspective diary focused on feelings and memories rather than strict facts.
  • 2. A factual daily log emphasizing events, tasks or measurements rather than emotion.
  • 3. A web or blog section presented as chronological entries labeled as 日記 (nikki).
  • 4. A short-form entry format used in language learning or school assignments as practice writing about one’s day.

How to use it

日記 (nikki) is used across informal and formal contexts: individuals keep private journals for reflection, students often write short daily entries as schoolwork, bloggers use 日記 sections for chronological posts, and organizations sometimes adopt diary-style logs for routine reporting; tone ranges from intimate and casual in personal use to concise and neutral in workplace or study settings.

Variants and close terms

  • 日誌 (nisshi, official log or formal journal)
  • ジャーナル (jānaru, journal — loanword with a slightly more formal or international nuance)
  • 手帳 (techō, planner or pocket notebook used for appointments and notes)
  • 記録 (kiroku, record — emphasizes factual recording rather than personal reflection)

Composition

  • 日 (nichi / hi): "day" or "sun" — denotes the daily/time element.
  • 記 (ki): "to record" or "to write down" — indicates making a written account.

Origin

The practice of keeping day-by-day records has deep roots in Japan: as a recognized literary and documentary form it appears in classical Japan, with court and temple records evolving into a domestic literary genre during the Heian period; over centuries the concept shifted from aristocratic and official record-keeping to broadly accessible personal and commercial diaries, later adapting to printed diaries and digital apps.

Word class

noun (名詞)

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