容量不足

• 読み: ようりょうぶそく
• ローマ字: youryou busoku
• 漢字の分解: 容 (contain) + 量 (amount) → capacity + 不 (not) + 足 (sufficient) → insufficient = not enough storage
• 発音: /joː.ɾjoː.bu.so.ku/

意味

Insufficient storage or capacity — not enough space on a device, drive, or cloud account.

A standard compound of 容量 (capacity/storage) and 不足 (insufficient/lacking), this term is the go-to complaint when a phone, computer, or cloud account runs out of space. While not technically slang, it has become an extremely common phrase in daily conversation due to the constant struggle with digital storage limits, especially on smartphones.

例文

1. 容量不足でアプリのアップデートができない。
2. また容量不足の通知来た、もういい加減にして。
3. 容量不足が深刻すぎてクラウドの有料プランに入った。

使い方ガイド

場面: daily conversation, tech discussion, troubleshooting

トーン: frustrated, matter-of-fact

正しい言い方

• 容量不足で写真撮れないんだけど。 (I can't take photos because I'm out of storage.)
• 容量不足の通知うざい、何消せばいいの？ (The 'not enough storage' notification is annoying — what should I delete?)

避ける言い方

• 容量不足と通信量不足（ギガ不足）は別物 — 前者はストレージ、後者はデータ通信 (Don't confuse storage shortage with data shortage — the former is about device space, the latter about mobile data)

よくある間違い

• Confusing 容量不足 (storage shortage) with ギガ死 (data exhaustion) — they are different problems

起源と歴史

Standard Japanese compound of 容量 (capacity) + 不足 (insufficient). Has been used in technical contexts for decades but became part of everyday vocabulary with smartphones, as users constantly encounter storage warnings.

文化的背景

時代: 2010s smartphone era

世代: All ages

社会的背景: Universal

地域メモ: Used across all of Japan. One of the most common tech complaints in daily life.