準 備 不 足(じゅんびぶそく)

じゅんびぶそく

noun, na-adjective

lack of preparation; inadequate preparation

1. lack of preparation; inadequate preparation; being unprepared

The state of not having prepared sufficiently for something. Often used to explain or criticize a poor outcome.

準備不足(じゅんびぶそく)で失敗(しっぱい)した。

I failed due to lack of preparation.

プレゼンが準備不足(じゅんびぶそく)だったと反省(はんせい)している。

I regret that my presentation was insufficiently prepared.

準備不足(じゅんびぶそく)のまま本番(ほんばん)を迎(むか)えてしまい、大(おお)いに後悔(こうかい)した。

I went into the real event without enough preparation and deeply regretted it.

A compound of 準備(じゅんび) (preparation) + 不足(ぶそく) (insufficiency). Very commonly used in self-reflection and criticism. The ~不足(ぶそく) pattern is productive and creates many similar compounds.

Common collocations

準備不足(じゅんびぶそく)で失敗(しっぱい)する: to fail due to lack of preparation
準備不足(じゅんびぶそく)を痛感(つうかん)する: to keenly feel one's lack of preparation
準備不足(じゅんびぶそく)を反省(はんせい)する: to reflect on one's lack of preparation
準備不足(じゅんびぶそく)のまま: while still unprepared

Common patterns

The ~不足(ぶそく) suffix attaches to many nouns to express insufficiency:

経験不足(けいけんぶそく): lack of experience
睡眠不足(すいみんぶそく): lack of sleep
人手不足(ひとでぶそく): labor shortage
勉強不足(べんきょうぶそく): insufficient study

Similar words

不十分(ふじゅうぶん): insufficient; inadequate — more general and can describe anything that falls short, not just preparation
準備(じゅんび)が足(た)りない: not enough preparation — same meaning expressed as a full phrase rather than a compound

Related Words

Compare: 不十分(ふじゅうぶん) (insufficient)

general

Added 2026.5.7 20:19 · Revised 2026.9.2 13:02

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