Translation guide
The English word "dense" covers several distinct meanings: physically thick or closely packed, intellectually slow, and complex or difficult to understand. This guide breaks down these meanings and provides natural Japanese equivalents for each.
Describing something with parts that are very close together, such as a forest, fog, crowd, or material.
A general adjective meaning 'dense' or 'close-packed'. Often used in formal or written contexts. Can describe forests, populations, etc.
この地域は人口が密だ。
This area has a dense population.
Means 'crowded' or 'densely packed', often used for objects, buildings, or people.
密集した住宅街
a dense residential area
Commonly used for 'dense' in the sense of thick or concentrated, especially for fog, smoke, color, or flavor. Not typically used for solid objects.
濃い霧で前が見えない。
I can't see ahead because of the dense fog.
このコーヒーは濃すぎる。
This coffee is too dense/strong.
Used for 'dense' forests or thickets, implying depth and impenetrability.
深い森の中を歩いた。
I walked through the dense forest.
Describing a person who is slow to understand or lacking intelligence.
Means 'dull' or 'slow' mentally. Can be used for someone who is not quick-witted.
彼は少し鈍いけど、いい人だ。
He's a bit dense, but he's a good person.
Literally 'bad head', meaning unintelligent or stupid. More direct and potentially rude.
あの子は頭が悪いから、説明しても無駄だ。
That kid is dense, so it's useless to explain.
Means 'slow on the uptake' or 'poor at picking up on things'. Used when someone fails to read the atmosphere or understand hints.
彼は察しが悪くて、いつも空気が読めない。
He's dense and can never read the room.
Describing text, ideas, or information that is hard to comprehend because of its complexity.
Means 'difficult to understand' or 'abstruse'. Commonly used for dense academic texts or complex theories.
この論文は難解で、読むのに時間がかかる。
This paper is dense and takes time to read.
Means 'complicated' or 'intricate'. Can describe dense plots, explanations, or situations.
込み入った話で、理解するのが大変だった。
It was a dense story and hard to understand.
Literally 'dense' or 'rich', used for content that is packed with information or meaning. Often in literary or artistic contexts.
この小説は濃密な文体で書かれている。
This novel is written in a dense style.