afterthought

noun

af·​ter·​thought ˈaf-tər-ˌthȯt How to pronounce afterthought (audio)
1
: an idea occurring later
2
: something (such as a part or feature) not thought of originally : something secondary

Examples of afterthought in a Sentence

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.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Organizations can no longer afford to treat mental health as an afterthought. Mindi Cox, Forbes.com, 3 June 2025 To keep communities safe, security must no longer be an afterthought. Donald J. Mihalek, ABC News, 3 June 2025 Nearly six months ago, Bryant was an afterthought, receiving 13 DNPs on a middling Miami Heat team. James Boyd, New York Times, 1 June 2025 It was used as a patio during the pandemic but has been mostly an afterthought since. David Hudnall, Kansas City Star, 30 May 2025 See All Example Sentences for afterthought

Word History

Etymology

after- + thought entry 1

First Known Use

1590, in the meaning defined at sense 1

Time Traveler
The first known use of afterthought was in 1590

Browse Nearby Words

Cite this Entry

“Afterthought.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/afterthought. Accessed 10 Jun. 2025.

Kids Definition

afterthought

noun
af·​ter·​thought -ˌthȯt How to pronounce afterthought (audio)
1
: a later thought about something one has done or said
2
: something not thought of originally

More from Merriam-Webster on afterthought

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