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に違いない
nichigainai
JLPT N2 Author: alexeiS

にちがいない

Meaning

no mistake...definitely
I've not got my keys, I definitely (lit. make no mistake) I dropped them somewhere
確かに　と　おもう

See also

に相違ない

Phrases

かぎがどこかに落ちたに違いない。

I've not got my keys, I definitely dropped them somewhere.

#6552 Author: ved

あのシチューが当たったに違いない。

The stew must have disagreed with me.

#5784 Author: dc

あの煙を見なさい。あそこの建物が燃えているに違いない。

Look at that smoke. That building must be on fire.

#5785 Author: dc

あの狐がめん鳥を殺したに違いない。

That fox must have killed the hen.

#5786 Author: dc

あんなに短時間で１マイル走ったなんて、君はすぐれた運動選手に違いない。

You must be a good athlete to have run a mile in such a short time.

#5787 Author: dc

あんなふうに話すとは彼はばかに違いない。

He must be a fool to talk like that.

#5788 Author: dc

あんな風に振る舞うなんて彼は気が狂ってるに違いない。

He must be crazy to behave like that.

#5789 Author: dc

お百姓さんはそれを聞いて喜ぶに違いない。

The farmers must be happy to hear that.

#5790 Author: dc

きっと無罪になるだけの決定的切り札を隠し持っているに違いない。

I'm sure he has something up his sleeve.

#5791 Author: dc

この急流で泳ぐのは危険に違いない。

It must be dangerous to swim in this rapid stream.

#5793 Author: dc

この事の根本には何かあるに違いない。

There must be something at the bottom of all this.

#5795 Author: dc

これは本物のダイヤに違いない。

This must be a real diamond.

#5797 Author: dc

こんなにかわいい人形をあなたに送ってくれるとは、彼女は心が優しいに違いない。

She must be kind-hearted to send you such a pretty doll.

#5799 Author: dc

こんなに長い距離を歩いたなんて彼は健脚家に違いない。

He must be a good walker to have walked such a long distance.

#5800 Author: dc

そこでおそらくこれは久しぶりに戻ってきた古代の神に違いないと考えた。

So perhaps this was their ancient god returning after his long absence.

#5801 Author: dc

そのことはお金に関係があったに違いない。

It must have something to do with money.

#5802 Author: dc

これは、若いときの彼女の写真に違いない。

This is definitely a picture of her as a child.

#6844 Author: 赤毛

この作文の英語はうますぎる。それを彼女が書いていないのに違いない。

The English of composition is too good. She can't have written it herself.

#5794 Author: dc

ここに彼の書き置きがある。かれはここに来たに違いない。

Here is a note by him. He must have come here.

#5792 Author: dc

こんなことを信じるなんて彼はよほどの間抜けに違いない。

He must be stupid to believe such a thing.

#5798 Author: dc

彼女は３０歳ぐらいに違いない。

She must be thirty or so.

#8248 Author: karekano

この事件の裏には何かがあるに違いない。

There must be something behind this matter.

#8316 Author: karekano

ジェーンはとても顔色が悪い。病気に違いない。

Jane looks very pale. She must be sick.

#8317 Author: karekano

彼は２０分前に家を出たので、もう会社に着いているに違いない。

He left home twenty minutes ago. He must have arrived at the office by now.

#8318 Author: karekano

彼の計画は失敗に違いない。

His plain is bound to fail.

#8319 Author: karekano

君は冗談を言っているに違いない。

You must be joking.

#8320 Author: karekano

まじめなあの人のことだから、時間どおりにくるに違いない。

Because this guy is serious, no doubt that he will come just on time.

#6845 Author: 赤毛

この車は乱暴使い方をされてきたに違いない。

This car must have had tough usage.

#5796 Author: dc

Discussion and comments

Show comments >

Noun + に違いない
ダイヤに違いない

Verb-plain + に違いない
殺したに違いない

Author: dc

ex-かぎガないどこかに落としたに違いない

Author: ved

Similar to the usage of に決まっている、に違いない is simply translated most of the time as "definitely" or "absolutely". One problem with this is that the usage of both can be a little bit ambiguous and can leave a serious student up in the air of which to use.

A less spoken concept regarding any grammar involves the context and "feeling" that is generally understood by native Japanese, but may be difficult for foreign learners to grasp.

に決まっている has the connotation of narrowness of options such that whatever precedes this is an absolute.

例文）　地球は平らではないに決まっている。　
The earth is *absolutely* not flat.

In contrast, usage of 違いない　supposedly has a feeling of slight openness in terms of speculation or conditions.

例文）　死体に丸い傷があるので、拳銃でやられちゃったに違いない。
Since the corpse has circular wounds, he must have been done in by a handgun.

Author: Tetsuzan

In ex #5796, I`ve changed 乱魔ﾈ to 乱暴. But I`m note sure if it is right...

Author: karekano

i think in #5798 it should be yohodo instead of yohado: こんなことを信じるなんて彼はよほどの間抜けに違いない。

Author: nuka

I intended to fix ex #5792 and #5794 following the above alerts. 乱魔ﾈ in ex #5796 seems to be 文字化け so I turned it suspicious. I don't understand 彼はよはどの間抜け in ex #5798.

Author: 赤毛

In #5794, この作文の英語はうますぎる。彼女がそれを書いたに違いない has wrong English translation.It should be: The English of composition is too good. She must have written it herself. If the reverse was intended, then the Japanese text is wrong. It shold read: この作文の英語はうますぎる。それを彼女が書いていないのに違いない。

Author: bamboo4

#5792 Looks typo. Japanese should be かれはここに来たに違いない。

Author: Miki

The translations of the examples do not seem to match the meaning given above, it seems to me. The meaning of "no mistake" or "definitely" is much different from the meaning of "must have" or "must be". I'm wondering which meaning is correct.

Author: Cone

I believe that example #5794 says 'She must have written it herself'...I would be interested to know if there is a way to say 'She must not have written it herself' using this grammar form...

Author: frewmanchu

hi alexeiS - I added some examples.

Author: dc

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