English dictionary

afterthought

/'/&/ft/@/r,/T//O/t/

Definitions, examples, synonyms and antonyms from WordNet 3.0.

noun

thinking again about a choice previously made

noun.cognition

Synonyms reconsideration rethink second thought

Source: WordNet 3.0
an addition that was not included in the original plan

noun.artifact

Examples
The garage was an afterthought.

Source: WordNet 3.0
Reflection after an act; later or subsequent thought or expedient.

noun

Source: webster1913