in·​ci·​den·​tal·​ly | \ ˌin(t)-sə-ˈden-tᵊl-ē How to pronounce incidentally (audio) , especially for sense 2 -ˈdent-lē\

Definition of incidentally

1 : in an incidental manner : not intentionally the arrant nonsense of some of his statements is incidentally hilarious— John Lahr
2 : by way of interjection or digression : by the way fortunate in having a good teacher … —still living, incidentally— John Fischer

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Synonyms for incidentally


apropos, en passant

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Examples of incidentally in a Sentence

Not incidentally, the market slump was followed by widespread layoffs. incidentally, have you seen the new building they're putting up?

Recent Examples on the Web

The likes of Kenny Dalglish, Alan Hansen and John Barnes all strutted their stuff in the deep red number, which was incidentally the last to feature Crown Paints as the club's sponsor., "50 Greatest Football Shirts of All Time," 28 June 2019 Richardson, incidentally, is Track & Field News’ Collegiate Women’s Outdoor Athlete of the Year., "English Gardner takes on Sha’Carri Richardson in the Pre 100; Jessica Hull turns pro: Oregon track & field rundown," 21 June 2019 But before looking cross-eyed at it (which is, incidentally, a way to view some stereo images without special glasses), consider how extraordinary the 3-D enterprise is. Edward Rothstein, WSJ, "‘3D: Double Vision’ Review: A Multidimensional Show Feels Flat," 24 July 2018 Too Faced to extend their Born This Way Foundation shade range (which, incidentally is one of our Beauty Awards winners). Yerin Kim, Seventeen, "Meet the Seventeen Beauty Awards Experts," 17 May 2019 The cerebellum, incidentally, might explain the signature slowness zombies are known for. Joe Lindsey, Popular Mechanics, "'Game of Thrones' Science: How Do Wights Work?," 26 Apr. 2019 But under the eavesdropping authorized by Section 702, the NSA incidentally sweeps in a lot of communications of Americans. Ken Dilanian, NBC News, "Trump throws FISA reauthorization into confusion with conflicting statements," 11 Jan. 2018 Holmes’s new modern look taps into a quiet, new mood in fashion that, incidentally, was all over the runways for Fall at brands such as Victoria Beckham, Celine, and Chloé. Vogue, "Katie Holmes Gives This Sexy Skirt Silhouette a Stealth-Chic Makeover," 15 Mar. 2019 Potlatch’s Clearwater sawmill at Lewiston, incidentally, is the largest pine mill in the world. Popular Mechanics Editors, Popular Mechanics, "The Lost Art of Floating Logs Down the River," 16 Feb. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'incidentally.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of incidentally

1665, in the meaning defined at sense 1

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Statistics for incidentally

Last Updated

6 Jul 2019

Look-up Popularity

Time Traveler for incidentally

The first known use of incidentally was in 1665

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More Definitions for incidentally



English Language Learners Definition of incidentally

: as something that is less interesting or important
used to introduce a statement that provides added information or that mentions another subject


in·​ci·​den·​tal·​ly | \ ˌin-sə-ˈden-tᵊl-ē How to pronounce incidentally (audio) \

Kids Definition of incidentally

1 : as a matter of less interest or importance
2 used to introduce a statement that provides additional information or changes the subject I'll call your mother. Incidentally, how is she?

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More from Merriam-Webster on incidentally

Thesaurus: All synonyms and antonyms for incidentally

Spanish Central: Translation of incidentally

Nglish: Translation of incidentally for Spanish Speakers

Comments on incidentally

What made you want to look up incidentally? Please tell us where you read or heard it (including the quote, if possible).


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