以後
Meanings
1
after this; from now on; hereafter
Refers to a point in time after the present or a specified reference point; often used in formal or written contexts.
I'll be careful from now on.
I cannot answer the phone after 6 p.m.
2
thereafter; since then; after that
Used after a specific event or time expression, especially after あれ, それ, or the -te form of a verb, to mean 'after that' or 'since then'.
I haven't seen him since he graduated from university.
I haven't heard from him since then.
Usage patterns
- 〈時〉以後from/after a specified time onward
I haven't met her even once since graduation.
- それ以後since then; thereafter
He hasn't been late even once since then.