[ af-ter-thawt, ahf- ]
/ ˈæf tərˌθɔt, ˈɑf- /


a later or second thought; reconsideration.
reflection after an act; an appropriate explanation, answer, expedient, or the like, conceived of too late for the occasion.
something added, as a part or feature, that was not included in the original plan or design: The vestry was added to the church as an afterthought.

Origin of afterthought

First recorded in 1655–65; after + thought1 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Examples from the Web for afterthought

British Dictionary definitions for afterthought

/ (ˈɑːftəˌθɔːt) /


a comment, reply, etc, that occurs to one after the opportunity to deliver it has passed
an addition to something already completed
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012