/ˈæftərˌθɔːt/ (AFT-ər-thawt)

Definitions

1. noun

an idea or thought that occurs to someone after a decision or action has been taken

“She had an afterthought and went back to change her mind about the gift.”

2. noun

something that is given or added at the end of a period of time

“The afterthought of the party was a surprise cake cutting ceremony.”

3. adjective

done or thought of at the end

“This was an afterthought addition to the original plan.”

4. verb

to think or consider something for the first time, often after a decision has been made

“She had to afterthink her decision and change her plans.”