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一定 (いってい, ittei) Japanese meaning: fix | Kotomora
Common word› JLPT N3 › Freq. Frequency Top 5,000 Conjugation 一定する · noun or participle which takes 'suru'
Form Positive Negative Dictionary 一いっ 定てい する 一いっ 定てい しない Polite 一いっ 定てい します 一いっ 定てい しません Past polite 一いっ 定てい しました 一いっ 定てい しませんでした Past 一いっ 定てい した 一いっ 定てい しなかった Te-form 一いっ 定てい して 一いっ 定てい しないで Desire 一いっ 定てい したい 一いっ 定てい したくない Potential 一いっ 定てい できる 一いっ 定てい できない Passive 一いっ 定てい される 一いっ 定てい されない Causative 一いっ 定てい させる 一いっ 定てい させない Causative passive 一いっ 定てい させられる 一いっ 定てい させられない Volitional 一いっ 定てい しよう Polite volitional 一いっ 定てい しましょう Imperative 一いっ 定てい しろ 一いっ 定てい するな Conditional 一いっ 定てい すれば 一いっ 定てい しなければ Tara conditional 一いっ 定てい したら 一いっ 定てい しなかったら
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いっ
定てい
に
する
必ひつ
要よう
が
ある
。
We need to fix the meeting schedule.
In this region, the temperature remains constant throughout the year.
Usage patterns 〈 物もの 〉 を 一いっ 定てい に 保たも つ to keep something constant/steady
We keep the room temperature constant.
一いっ 定てい の 条じょう 件けん a certain/fixed set of conditions
If you meet certain conditions, a refund is possible.
一いっ 定てい の 期き 間かん a fixed/set period of time
You can try it for free for a set period of time.
〈 物もの 〉 が 一いっ 定てい する for something to become constant/stable
It's hard for the temperature to stay constant.
一いっ 定てい の 基き 準じゅん a fixed/set standard
The company has established a fixed standard.
Kanji 定 determine, fix, establish Related words· 7 固定 emphasizes physically or structurally fixing something in place, while 一定 focuses on setting a standard or making something uniform/unchanging in value or condition.
統一 means unifying or bringing together into one, whereas 一定 means making something constant or standardized without necessarily merging.
一律 stresses that a rule or rate is applied equally to everyone without exception, while 一定 simply means a value or condition stays fixed/unchanging.
一様 describes things being alike or uniform across a group, while 一定 describes a single value or standard staying constant over time.
Show 3 more 不変 stresses that something never changes at all, whereas 一定 just means fixed or constant at a given value and can allow later change.
一定 is a native Japanese word for 'fixed/constant' often used in formal or technical contexts, while コンスタント emphasizes steady, uninterrupted continuation and sounds more casual.
一定 describes a fixed, set quantity or rule, whereas 変わらない focuses on something staying the same over time, often emotionally or personally.
Opposites 不定 means unsettled or indefinite, the opposite of 一定's sense of being fixed or constant.
変動 means fluctuating or changing over time, the opposite of the steady, unchanging state described by 一定.
Don't confuse with 一定 means fixed/constant (a single unchanging value or standard), while 特定 means specific/particular (a certain one singled out among many), and the two are often mixed up in phrases like ~の条件.
一定 read いってい is a common modern word meaning 'fixed' or 'constant', while 一定 read いちじょう is a rare archaic reading meaning 'certainly'; they share the same kanji but differ completely in reading and meaning.
Word family· 9 fixed value; constant value
fixed number; certain number; given number; definite number
fixed amount; certain quantity
Etymology Sino-Japanese compound of 一 (one, uniform) and 定 (determine, fix). The meaning 'to fix uniformly' or 'constant' follows naturally from the kanji components.
invariable; permanent; constant and unchanging
fixed period; fixed interval
