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
Looking to grow your vocabulary? Check out this interactive, curated word list from our team of English language specialists at Vocabulary.com – one of over 17,000 lists we've built to help learners worldwide!
Spelling Practice 2, Unit 1
Interested in learning more words like this one? Our team at Vocabulary.com has got you covered! You can review flashcards, quiz yourself, practice spelling, and more – and it's all completely free to use!
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.
The fisherman said that these days, when he heads out to catch tuna, sharks or other fish found far offshore, he fears accidentally becoming the target of U.S. bombs.
From Los Angeles Times ● Jul. 20, 2026
Not every death involving ICE is a shooting, either; according to the Miami Herald, a man fleeing immigration agents was accidentally hit and killed by a tractor trailer in St. Augustine, Florida, this morning.
From Slate ● Jul. 14, 2026
Although the egg cases can be removed without causing pain, Battiston stresses that people should first consult a specialist to avoid accidentally removing the eggs of native mantis species.
From Science Daily ● Jul. 11, 2026
When one shopper accidentally scanned a bulk package of cookies twice, Barzar leads her to member services to refund the charge to her credit card.
From The Wall Street Journal ● Jul. 8, 2026
But in her rush, Klavdiya accidentally put on the high heels she’d worn earlier when she’d dressed up for her host family’s special meal!
From "A Thousand Sisters" by Elizabeth Wein
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.
