noun
afterthought
AFT-thawt
noun
1
Something thought of or added later, often as a minor addition rather than part of the original plan.
"The garage was added as an afterthought."
"He mentioned it almost as an afterthought at the end of the meeting."
How to Use Afterthought
Learner’s notesIn plain EnglishSomething added on later, without much planning, often making it feel less important.
Common mistake
Being treated as "an afterthought" (feeling unimportant to someone) is a common figurative use.
Common pairings
as an afterthought
treated like an afterthought
Word Forms
afterthoughted past tense, afterthoughts plural, afterthoughts singular
Study it as flashcards or scroll it in Flow — saved to your collection.
Test yourself on “afterthought”
A quick quiz — meaning, synonyms & usage
→
Fill the Gap
Can you complete this real example?
The garage was added as an _____.
Etymology
A compound of "after" + "thought," likely modeled on the earlier word "forethought."