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reminder

American  
[ri-mahyn-der] / rɪˈmaɪn dər /

noun

  1. a person or thing that serves to remind.

reminder British  
/ rɪˈmaɪndə /

noun

  1. something that recalls the past

  2. a note to remind a person of something not done

"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

Etymology

Origin of reminder

First recorded in 1645–55; remind + -er 1

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

For Koch, the desolation was only a reminder of how much Earth provides us: water, air, warmth, food.

From Los Angeles Times • Apr. 9, 2026

Vance’s time in Hungary was an important reminder that Vance has a very particular understanding of the order of the world.

From Slate • Apr. 9, 2026

"Every death in the Channel is a tragedy and a stark reminder of the dangers posed by criminal gangs exploiting vulnerable people for profit," the spokesperson said.

From BBC • Apr. 9, 2026

“That’s an extraordinary source of revenue — also a reminder that they essentially have a blackmail card up their sleeve,” he added.

From MarketWatch • Apr. 8, 2026

Though a number of Labadists still lived at La Providence, the plantation was eerily quiet, a bleak reminder of the dangers of colonial life.

From "The Girl Who Drew Butterflies: How Maria Merian's Art Changed Science" by Joyce Sidman

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.