- noun theory
理論
りろん
theory
Meanings
Its kanji
In sentences
その理論は支持しない。 I don't support that theory. #8571379
この理論は信じないよ。 I do not believe in this theory. #10574356
彼の理論は事実に基づく。 His theory is based on fact. #115899
この理論は日本にあてはまる。 This theory is true of Japan. #219205
この理論は全てに当てはまる。 This theory holds in everything. #219206
君の理論は成り立たないと思う。 I think your theory does not hold water. #178013