Last Updated
：2026/01/04
不定
Hiragana
ふてい
Noun
Japanese Meaning
未定であること、はっきり決まっていないことを指す語。数学では、値や範囲が特定されていない状態を表す。
Easy Japanese Meaning
まだきまっていないこと。はっきりしていないようす。
Chinese (Simplified) Meaning
未定状态；尚未确定 / （数学）不定性；不定积分
Chinese (Traditional) Meaning
未決定、尚待確定的狀態 / （數學）不定性 / （數學）不定積分；未設上下限的積分
Korean Meaning
미정 / 불확정 / (수학) 부정적분
Vietnamese Meaning
chưa quyết định; chưa được ấn định / tính bất định (toán học) / tích phân bất định
Tagalog Meaning
hindi pa natitiyak o napagpapasyahan / (matematika) kawalang-tiyak o di-tiyak na integral
Sense（1）
being undecided, being yet to be determined, or yet to be decided
Sense（2）
(mathematics) indefiniteness, an integral being without specific limits
（ canonical ）
（ romanization ）
（ hiragana ）
Quizzes for review
being undecided, being yet to be determined, or yet to be decided / (mathematics) indefiniteness, an integral being without specific limits
See correct answer
不定
See correct answer
I am troubled by his undecided attitude.
See correct answer
彼の不定な態度には困っています。
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