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What is the difference between [新規]{しんき} and [新]{あたら}しい? Both mean "new". What
are the nuances here?
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2015-03-17T19:20:41.980
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2018-05-05T03:39:33.673
2018-05-05T03:39:33.673
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question
meaning usage nuances wago-and-kango
What is the difference between [新規]{しんき} and [新]{あたら}しい?
The difference is two-fold.

1) **Parts of speech**. 「新しい」 is an i-adjective while 「新規」 is basically a
noun. One could also say 「新規」 is a na-adjective as well.

2) **Formality**. As usual, the on-reading word is more formal, technical,
etc. than its kun-reading Yamato counterpart. In this case, 「新規」 is the former
and 「新しい」, the latter.

「新しい」 is the more intuitive word for native speakers. Every small kid knows
the word. It is just used on a daily basis to mean "new".

「新規」 is used almost exclusively in business. It looks and sounds good and
"official" when combined with other on-reading words as in:

「[新規開店]{しんきかいてん}」= "grand opening", 「新規[顧客]{こきゃく}」 = "newly-acquired client",
「新規[採用]{さいよう}」= "new hiring or recruitment", etc.
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2015-03-18T08:40:13.140
23328
2015-03-18T08:40:13.140
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answer
In general, 新規 means older one does not exist.

> マツダは、このたび、デミオに、新規にディーゼル車を追加した。
>
> At this time, Mazda introduced diesel engine model to Demio(MX3).

This is correct. Because Demio never has diesel engine model until that time.

If Demio had diesel engine model, above description is not correct.

> 彼は、新しいクルマに買い換えることに決めた。
>
> He made up his mind to replace his old car with new car.

If he does not have a car then you can say

> 彼は、新規にクルマを買うことにした。
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2015-03-18T08:47:29.880
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2015-03-18T08:47:29.880
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answer