(よけい)

よけい
na-adjective, adverb, noun
extra, unnecessary, too much
1. extra, surplus, more than needed
An amount beyond what is necessary or expected.
I ended up paying extra money.
It's better to allow extra time.
We have extra luggage, so let's take a taxi.
2. unnecessary, uncalled for, meddlesome
Something that is not needed or should not have been done.
Please don't say unnecessary things.
余計(よけい)お世話(せわ)
Mind your own business.
Common expression
I'm sorry for causing you unnecessary worry.
3. all the more, even more
Used adverbially to indicate an intensification.
After hearing the explanation, I became even more confused.
When I apologized, it made them even angrier.
The more I think about it, the more anxious I become.

USAGE: 余計(よけい) has multiple uses depending on context.

AS AN ADJECTIVE (unnecessary, meddlesome):

AS AN ADVERB (even more):

COMMON EXPRESSION: