B2 noun Neutral

仮説

/ka̠se̞t͡sɯᵝ/

A hypothesis or a tentative explanation made as a starting point for further investigation or reasoning. It refers to a proposition that is assumed to be true in order to test its validity through experimentation or logical analysis.

Examples

3 of 5
1

この仮説が正しければ、面白い結果になるはずだ。

If this hypothesis is correct, it should lead to interesting results.

2

本論文では、新しい言語習得の仮説を提示します。

In this paper, I present a new hypothesis for language acquisition.

3

それって、君の勝手な仮説にすぎないんじゃない?

Isn't that just your own arbitrary hypothesis?

Word Family

Noun
仮説
Verb
仮説を立てる
Adverb
仮説として
Adjective
仮説的な
Related
💡

Memory Tip

Break down the kanji: 仮 (Ka - temporary) + 説 (Setsu - theory/explanation). It is a 'temporary explanation' that needs proof.

Quick Quiz

新しい( )を立ててから、その正しさを実験で証明する。

Correct!

The correct answer is: 仮説

Examples

1

この仮説が正しければ、面白い結果になるはずだ。

everyday

If this hypothesis is correct, it should lead to interesting results.

2

本論文では、新しい言語習得の仮説を提示します。

formal

In this paper, I present a new hypothesis for language acquisition.

3

それって、君の勝手な仮説にすぎないんじゃない?

informal

Isn't that just your own arbitrary hypothesis?

4

実験の結果、当初の仮説は棄却された。

academic

As a result of the experiment, the initial hypothesis was rejected.

5

売上低下の原因について、いくつかの仮説を立てて検証しましょう。

business

Let's formulate and verify several hypotheses regarding the cause of the decline in sales.

Word Family

Noun
仮説
Verb
仮説を立てる
Adverb
仮説として
Adjective
仮説的な
Related

Common Collocations

仮説を立てる to formulate a hypothesis
仮説を検証する to verify/test a hypothesis
仮説を裏付ける to support/substantiate a hypothesis
大胆な仮説 a bold hypothesis
仮説に基づき based on a hypothesis

Common Phrases

作業仮説

working hypothesis

ゼロ仮説

null hypothesis

仮説思考

hypothesis-driven thinking

Often Confused With

仮説 vs 仮定

'Katei' is a general assumption or a 'what if' condition, while 'kasetsu' is a scientific or logical hypothesis intended for testing.

仮説 vs 理論

'Riron' refers to an established theory or a systematic set of principles, whereas 'kasetsu' is unproven.

📝

Usage Notes

It is frequently used in scientific, academic, and strategic business contexts. While it can be used in daily conversation, it carries a more analytical or intellectual tone than simple words for 'guess' like 'yosou'.

⚠️

Common Mistakes

Learners often use 'kasetsu' when they mean a simple guess or prediction about the weather; 'yosou' is more appropriate for casual predictions.

💡

Memory Tip

Break down the kanji: 仮 (Ka - temporary) + 説 (Setsu - theory/explanation). It is a 'temporary explanation' that needs proof.

📖

Word Origin

A compound of the Chinese-derived characters 'ka' (provisional/borrowed) and 'setsu' (opinion/theory).

Grammar Patterns

Used as a noun followed by particles like 'が', 'を', or 'に'. Modified by the 'na-adjective' form '仮説的な' (hypothetical).
🌍

Cultural Context

In Japanese corporate culture, 'Hypothesis-driven thinking' (kasetsu shikou) is a popular methodology promoted by consulting firms for efficient problem-solving.

Quick Quiz

新しい( )を立ててから、その正しさを実験で証明する。

Correct!

The correct answer is: 仮説

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