na-adjective, noun, noun or participle which takes 'suru', transitive verb, intransitive verb
busyness; having a lot to do
A somewhat formal or polite word for being occupied with many matters. It is especially common in set phrases such as ご多用のところ and ご多用中; everyday speech more often uses 忙しい.
ご多用のところ、お時間をいただきありがとうございます。
Thank you for taking the time despite your busy schedule.
多用のため
Because I have many things to do, I cannot attend next week's meeting.
na-adjective, noun, noun or participle which takes 'suru', transitive verb, intransitive verb
frequent use; heavy use; using many times
Most often used as 多用する, meaning to use something a lot or repeatedly. Depending on context it can be neutral, but it often hints that something is being used more than necessary.
専門用語を多用すると、文章が読みにくくなる。
If you use too many technical terms, the writing becomes hard to read.
この作家は短い会話を多用する。
This writer makes frequent use of short dialogue.