不 徹 底(ふてってい)

ふてってい

noun, na-adjective

incomplete; halfhearted; not thorough

1. incomplete; halfhearted; not thorough

Lacking thoroughness or completeness in execution. Describes actions, measures, or attitudes that fall short of being fully carried out or properly implemented.

対策(たいさく)が不徹底(ふてってい)だ。

The countermeasures are not thorough enough.

管理(かんり)の不徹底(ふてってい)が事故(じこ)の原因(げんいん)だった。

Inadequate management was the cause of the accident.

ルールの周知(しゅうち)が不徹底(ふてってい)なまま運用(うんよう)を始(はじ)めたため、混乱(こんらん)が生(しょう)じた。

Because operations started without thoroughly communicating the rules, confusion arose.

Composed of 不(ふ) (not, un-) and 徹底(てってい) (thoroughness, completeness). The opposite of 徹底(てってい) (thorough). Often used critically to point out failures in implementation or follow-through.

Common collocations

対策(たいさく)の不徹底(ふてってい): inadequate countermeasures
管理(かんり)の不徹底(ふてってい): inadequate management
周知(しゅうち)の不徹底(ふてってい): failure to properly inform
不徹底(ふてってい)な対応(たいおう): halfhearted response

Similar words

中途半端(ちゅうとはんぱ): half-baked; half-finished — more colloquial, broader usage
不十分(ふじゅうぶん): insufficient; inadequate — focuses on quantity rather than effort
徹底(てってい): thorough; complete — the antonym

Register

Formal. Commonly used in news reports, official investigations, and business contexts when assigning blame or identifying problems.

Related Words

Compare: 中途半端(ちゅうとはんぱ) (half-baked)

Compare: 不十分(ふじゅうぶん) (insufficient)

general

Added 2026.4.8 23:19 · Revised 2026.9.2 13:02

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