1.
extra, surplus, more than needed
An amount beyond what is necessary or expected.
余計にお金を払ってしまった。
I ended up paying extra money.
時間に余計な余裕を持っておいた方がいい。
It's better to allow extra time.
荷物が余計にあるので、タクシーで行こう。
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.
余計なことを言わないでください。
Please don't say unnecessary things.
余計なお世話だ。
Mind your own business.
Common expression
余計な心配をかけてすみません。
I'm sorry for causing you unnecessary worry.
3.
all the more, even more
Used adverbially to indicate an intensification.
説明を聞いたら余計分からなくなった。
After hearing the explanation, I became even more confused.
謝ったら余計怒られた。
When I apologized, it made them even angrier.
考えれば考えるほど余計に不安になる。
The more I think about it, the more anxious I become.
USAGE: 余計 has multiple uses depending on context.
AS AN ADJECTIVE (unnecessary, meddlesome):
- 余計な世話 (unwanted help, meddling)
- 余計な心配 (unnecessary worry)
- 余計な口出し (unwanted interference)
AS AN ADVERB (even more):
- 余計難しくなる (become even more difficult)
- 余計心配になる (become even more worried)
COMMON EXPRESSION:
- 余計なお世話だ (Mind your own business! / That's none of your concern!)