書き込み

• Reading: かきこみ
• Romaji: kakikomi
• Kanji breakdown: 書 (sho/ka) — write; 込 (込む/komu) — put into, crowd into
• Pronunciation: /ka.ki.ko.mi/

Meaning

Writing in; posting; entry. The act of writing something down or posting a comment online.

A noun and suru-verb with two primary modern uses: (1) physically writing in a document, form, or margin, and (2) posting a comment or message on the internet (forums, social media, blogs). The online meaning has become dominant in everyday speech. Common patterns include 書き込みをする (to make a post), 書き込みを削除する (to delete a post), and ネットへの書き込み (an internet post).

Examples

1. 匿名の書き込みには注意が必要だ。 You need to be careful about anonymous posts.
2. テキストに大事なポイントを書き込みした。 I wrote the key points directly into the text.
3. 掲示板への書き込みが炎上してしまった。 A post on the bulletin board blew up.

Usage Guide

Context: internet, social media, study notes

Tone: neutral

Origin & History

Compound of 書き (kaki, writing, stem of 書く) + 込み (komi, putting in, stem of 込む). Literally 'writing into' something — whether a physical document or a digital space.

Cultural Context

Era: Modern

Generation: Young adults

Social background: Universal