afterthought

Definitions

An item or thought that occurs to one after the main event or action has concluded.

Something added later that was not part of the original plan or intention.

Examples

The garden was clearly an afterthought, added long after the house was built.

He invited me to the party as an afterthought, just an hour before it started.

The safety features seemed like an afterthought in the original design of the machine.

Synonyms

addition postscript supplement appendix addendum extra byproduct

Antonyms

premeditation forethought plan intention design consideration preparation