一説(いっせつ)

いっせつ
noun
one theory, one view
formalwrittencognitionlanguage
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.
一説(いっせつ)では、この寺(てら)は千年(せんねん)前(まえ)に建(た)てられたという。
According to one account, this temple was built a thousand years ago.

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
  • 〜という一説(いっせつ)もある: there is also a theory that ~

Usage

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

Similar words

Related Words

Compare: 諸説(しょせつ) (various theories)
general
Added 2026.2.15 11:43 · Revised 2026.10.16 21:30
11000/11233_issetsu