一説(いっせつ)

いっせつ
noun
one theory, one view
formalwritten
1. one theory, one view, one account
One particular theory or account among several. Used when presenting an unconfirmed or debated explanation.
一説(いっせつ)によると、そうらしい。
According to one theory, that seems to be the case.
一説(いっせつ)には中国(ちゅうごく)由来(ゆらい)だとも言(い)われている。
According to one theory, it is also said to originate from China.
この言葉(ことば)の語源(ごげん)については一説(いっせつ)あるが、定(さだ)かではない。
There is a theory about the etymology of this word, but it's not definitive.

一説(いっせつ) is used to introduce one particular theory or view when multiple explanations exist. It signals that the information is not definitive.

Forms

一(いっ) (one) + 説(せつ) (theory, explanation) = one theory

Common patterns

  • 一説(いっせつ)によると: according to one theory
  • 一説(いっせつ)には: according to one account
  • 一説(いっせつ)では: in one theory
  • 一説(いっせつ)ある: there is a (certain) theory

Usage

This word is commonly found in academic writing, encyclopedias, and trivia discussions. It hedges a claim by acknowledging that other explanations may exist.

general
Added 2026.2.15 11:43 · Revised 2026.9.2 13:01
11000/11233_issetsu