afterthought
noun /ˈɑːftəθɔːt/
/ˈæftərθɔːt/
[usually singular]- a thing that is thought of, said or added later, and is often not carefully planned
- They only invited Jack and Sarah as an afterthought.
- He said, ‘I won’t tell anyone,’ adding as an afterthought, ‘at least, not if you do me a favour.’