根底

こんてい

root, basis, foundation

JLPT N1

Character Breakdown

Understanding 根底

The word 根底 (こんてい) refers to the root, basis, or foundation of something, often used in abstract contexts like ideas, problems, or beliefs. It implies the deepest underlying cause or principle.

Usage and Nuance

根底 is commonly used to talk about fundamental issues or principles that underlie a situation or argument. When you use 根底, you emphasize that something is not just a surface-level problem but lies deep at the core.

Common Collocations

  • 根底にある (こんていにある): "to be at the root of" — used to describe something that lies at the foundation.
  • 根底から (こんていから): "from the root/foundation" — emphasizes a complete or fundamental aspect.
  • 根底を覆す (こんていをくつがえす): "to overturn the foundation" — used when something challenges or changes the fundamental basis.

Register and Formality

根底 is a formal word often found in written language, academic discussions, or serious conversations. It is less common in casual speech.

Common Learner Mistake

Learners sometimes confuse 根底 with 表面 (surface) or 基本 (basic). 根底 focuses on the deepest foundation, not just the basic level or surface appearance. Use 根底 when you want to stress the fundamental root cause or principle.

Example Sentences

もんだいのこんていにはごかいがある。

At the root of the problem lies a misunderstanding.

かれのいけんはこんていからまちがっている。

His opinion is fundamentally wrong.

こんていにあるかんがえかたをかえなければ、かいけつはむずかしい。

Unless you change the underlying way of thinking, solving it will be difficult.