Learn Japanese while reading Manga with our new Manga Reader Tool!

Nihongo

Classroom

How to say 'Theory' in Japanese | 説

Wondering how to say 'Theory' in Japanese? You're in the right place!

The Japanese word for Theory is 'Setsu', written as 説 in Japanese.'Theory' in hiragana is せつ.

    word

    Meaning

    Theory

    Reading

    せつ

    setsu

    Kanji

    Theory, Explanation

    Explanation

    The Japanese noun '説 (せつ)' primarily means 'theory' or 'explanation'. It refers to a systematic explanation of a phenomenon, often based on reasoning or evidence. This word is commonly used in academic, scientific, or philosophical contexts. For example: his theory is interesting「彼の説は面白い」(かれのせつはおもしろい). There are various theories about this phenomenon「この現象について様々な説がある」(このげんしょうについてさまざまなせつがある). Additionally, '説' can sometimes imply a narrative or story, particularly in historical or mythological contexts, but this usage is less common and typically requires additional context to distinguish it from the primary meaning of 'theory'.

    Part Of Speech

    noun

    Kanji JLPT

    N3

    Kanji Grade

    4

    Frequency

    1255

    Composition

    kanji

    Handwriting

Kanji in the Word

This word contains 1 kanji character:

  • kanji

    Meaning

    Theory, Explanation

Words Related to Through the Kanji

These 10 Words contain the Kanji 説 as well.

  • word

    小説

    Meaning

    Novel

  • word

    説明

    Meaning

    Explanation

  • word

    説く

    Meaning

    Explain

  • word

    解説

    Meaning

    Explanation

  • word

    社説

    Meaning

    Editorial

  • word

    学説

    Meaning

    Theory

  • word

    説得

    Meaning

    Persuasion

  • word

    演説

    Meaning

    Speech

  • word

    伝説

    Meaning

    Legend

  • word

    仮説

    Meaning

    Hypothesis

Learn the Word

Let's make sure you fully understand this word.

What does 'Setsu' (説) mean?

'Setsu' means 'Theory' .

To help you master this word, here's an interactive lesson where you'll practice its readings and meanings.