noun
Usually an incidental opportunity that arises while doing something else, especially in patterns like 〜のついでに and ついでがある.
買い物のついでに郵便局へ寄った。
While I was out shopping, I stopped by the post office.
ついでがあったら、この書類も届けてください。
If you get a chance, please deliver these documents too.
noun
Archaic original sense referring to the order or sequence of things; modern Japanese normally uses 順序 or similar words for this meaning.
古い文章では、「ついで」が物事の順序を表すことがある。
In old writing, ついで can refer to the order of things.
noun
Archaic noun use meaning a person who comes next or succeeds someone; not a normal modern standalone use.
古い用法では、「ついで」が後を継ぐ人を指すこともあった。
In old usage, ついで could also refer to a person who succeeds someone.