This means something changes based on something else. It is a very polite way to say 'it depends on'.
Noun + の + いかんによるPrimary
Noun + いかんによる
This means something changes based on something else. It is a very polite way to say 'it depends on'.
採用の可否は、面接試験の結果のいかんによるものです。
Whether or not you are hired depends on the results of the interview exam.
今後の貴社の対応いかんによる影響は、計り知れないものがあります。
The impact, which will depend on your company's future response, is immeasurable.
大会の成功は、ボランティアの協力いかんによる部分が大きかった。
The success of the event was largely determined by the cooperation of the volunteers.
この問題の解決は、個人の努力のいかんによるものではない。それは社会全体の課題だ。
The solution to this problem does not depend on individual effort. It is an issue for society as a whole.
条約が批准されるかどうかは、各国の国内事情のいかんによるだろう。
Whether the treaty will be ratified or not will likely depend on the domestic circumstances of each country.
This is like "~shidai da" (〜次第だ). But "~ikan ni yoru" is much more formal. You will see it in laws. "~Shidai da" is for business. This is also different from "~ikan dewa" (〜いかんでは). "~Ikan dewa" means something might happen. "~Ikan ni yoru" means something definitely happens because of something else.
Don't use this when you are talking with friends. For example, don't say "友達とのいかんによる" (It depends on my friend). This phrase is for very formal writing. You use it with words that show a changing state. Like "result" or "attitude." You do not use it with simple things, like "cat."
Use this when you want to sound very formal. It makes your words sound like a rule. It shows something is a fact, not just your idea.
More formal alternatives(4)
Track your mastery
Kumi's KMT system tracks your mastery across kanji, vocabulary, grammar, and reading. Create a free account to use it on 220,000+ concepts.