1.
to be attached, to stick
To become connected or adhered.
ゴミが付いている。
There's dirt stuck on it.
服にペンキが付いた。
Paint got on my clothes.
毎日練習していたら、だんだん力が付いてきた。
By practicing every day, I gradually built up strength.
2.
to be included, to come with
To be provided along with something.
おまけが付く。
It comes with a freebie.
このプランには朝食が付いている。
This plan includes breakfast.
新しいパソコンには三年の保証が付いている。
The new computer comes with a three-year warranty.
付く is an intransitive godan verb meaning something attaches or sticks by itself.
TRANSITIVITY:
- 自動詞 (intransitive): 付く - something attaches
- 他動詞 (transitive): 付ける - to attach something
ASPECT (ている):
付いている indicates a resulting state: "is attached/stuck."
COMMON EXPRESSIONS:
- 気が付く: to notice, become aware
- 身に付く: to acquire (a skill), to learn
- 運が付く: to be lucky
- 嘘が付く: to lie (different kanji: 嘘をつく)
- 〜付き: with 〜 included (朝食付き = with breakfast)