af·ter·thought 
/ˈæftɚˌθɑ:t, Brit ˈɑ:ftəˌθɔ:t/ noun
plural af·ter·thoughts /ˈæftɚˌθɑ:t, Brit ˈɑ:ftəˌθɔ:t/ noun [count] : something done or said after other things because it was not thought of earlier
▪ Then I remembered, almost as an afterthought, to feed the cat. ▪ The fact was hidden deep in the report, almost as an afterthought. ▪ The lounge was added to the office as an afterthought.
▪ Then I remembered, almost as an afterthought, to feed the cat. ▪ The fact was hidden deep in the report, almost as an afterthought. ▪ The lounge was added to the office as an afterthought.
