Answer:
Busy: Idle as Noteworthy: Unimportant.
Explanation:
The synonyms of the word ‘busy’ is being occupied in a work or concentrating in a task.
For example: Aaron is always ‘busy’ with his homework.
The synonyms of the word ‘idle’ is being lazy or doing something without any purpose.
For example: One should not waste their time in ‘idle’ chatting.
Now, the former word is antonyms to the latter word. So, we need to find the antonyms of the word ‘noteworthy’.
The synonyms of the word ‘noteworthy’ is being exceptional or being noteworthy.
For example: Mother Teresa was given noble price for her ‘noteworthy’ deeds for peace.
The suitable antonyms for noteworthy are unexceptional, unimportant, common.
Here, the word ‘unimportant’ is used as answer.
The synonyms of the word ‘unimportant’ is being trivial. This word is used to make negative statement and the word important is attached with the prefix ‘un’.
For example: This information is ‘unimportant’ for this topic.