accidentally
Americanadverb
-
by chance or mistake; in a way that is not planned or intended.
If you break your key, whether accidentally or on purpose, there is a $40 charge to replace it.
-
in a nonessential or subsidiary way; incidentally.
Philosophy is essentially a vocation, and only accidentally a profession.
Usage
Spelling tips for accidentally The word accidentally is hard to spell because it can be hard to remember which letters are doubled and which are not. To add to the confusion, there are two possible spellings of accidentally. While less common, accidently is also an acceptable spelling of the word. How to spell accidentally: It's no accident that many animals have two eyes to see (C) And two ears to Listen (L). This reminds you that the letters c and l are doubled in accidentally, with an a in between.
Other Word Forms
Etymology
Origin of accidentally
Explanation
If something happens accidentally, it didn't happen on purpose — blame it on a mistake, chance, or outside forces. There are things you mean to do, like brushing your hair or buttoning your shirt. Then there are things you do accidentally: you didn't mean for them to happen, but they happened anyway. Just about all spilled milk happens accidentally. If a surgeon leaves a scalpel in a patient, let's hope he did it accidentally. And if a football bounces off a defender into the running back's arms and he scores a touchdown, he made a great play — accidentally.
Vocabulary lists containing accidentally
Selection Vocabulary 2, Unit 2
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Spelling Practice 2, Unit 1
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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.
In 2019, Trump praised the CEO for Apple’s domestic investments, accidentally coining the nickname “Tim Apple” in the process.
From MarketWatch ● Aug. 29, 2026
Two fires that destroyed 19 homes in Stourbridge were started accidentally in fields where farming machinery was in use, according to West Midlands Fire Service.
From BBC ● Aug. 26, 2026
He was trying to back up his leader, but accidentally threw him to the wolves.
From Salon ● Aug. 21, 2026
Plus, Big Food fights to win over not-so-hungry GLP-1 users, and LinkedIn accidentally becomes a dating site.
From The Wall Street Journal ● Aug. 19, 2026
Could it have been an accident, someone accidentally kicking it out of their path?
From "The Brightwood Code" by Monica Hesse
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.
