Word.ws English Dictionary

afterthought

/ˈæft.ɚ.θɔt/

afterthought noun: a reflection after an act; a later or subsequent thought, action, or expedient. Also the simple past and past participle of afterthink.

Noun

afterthought (plural afterthoughts)

  1. A reflection after an act; a later or subsequent thought, action, or expedient.
    • She packed her sandals only as an afterthought, but she was glad she did.
  2. Something additional to the original plan or concept.
    • This whole remodeling was an afterthought; we were only going to paint and call it good.
    • The lighting in the corridor just dabbles of arcs, afterthoughts, smears. The light a grime that gives him a slight headache. The same type as when it has rained, remained humid, a fetid stale of ozone over everything.2007, Constantine Sult, chapter 1, in The Murder of Linen, [United States]: Brown Paper Publishing, page 1

Verb

afterthought (third-person singular simple present afterthoughts, present participle afterthoughting, simple past and past participle afterthoughted)

  1. (nonstandard, possibly, very rare except in the past tense) To expound as an afterthought.

Also used as

afterthought is also the simple past and past participle of afterthink.

Examples of afterthought in a sentence

  • The spring scrimmage, usually a yawn of an afterthought at Colorado, was packed.
  • It goes downhill in Trespassers tho, where Dorianmance was an afterthought compared to Adoribull.
  • It takes a whole lot to turn The Road Warrior into an afterthought.

All 24 example sentences with afterthought

Forms of afterthought

Noun
pluralafterthoughts
Verb
third-person singular presentafterthoughts
present participleafterthoughting
past participleafterthoughted
pastafterthoughted

Plural of afterthought: afterthoughts

Origin of afterthought

From after- + thought, probably modelled on forethought. Compare also the verb afterthink.

Questions about afterthought

What does afterthought mean?
Afterthought means a reflection after an act; a later or subsequent thought, action, or expedient.
What part of speech is afterthought?
Afterthought can be a noun or a verb.
How do you pronounce afterthought?
Afterthought is pronounced /ˈæft.ɚ.θɔt/ (US).
What is the plural of afterthought?
The plural of afterthought is afterthoughts.

Words near afterthought in the dictionary

  1. afterthink
  2. afterthinker
  3. afterthinkers
  4. afterthinking
  5. afterthinks
  6. afterthought
  7. afterthoughted
  8. afterthoughting
  9. afterthoughts
  10. aftertime
  11. aftertimes

Source and license

Adapted from Wiktionary: afterthought (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Pronunciation audio from Wikimedia Commons, each file under its own free license: en-us-afterthought.ogg.

Cite this entry: “afterthought.” Word.ws, https://word.ws/afterthought. Based on Wiktionary, CC BY-SA 4.0.