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bestseller

American  
[best-sel-er] / ˈbɛstˈsɛl ər /
Or best seller

noun

  1. a book that is among those having the largest sales during a given period.

  2. any product that among those of its kind is selling particularly well at a given time.

    This car was a bestseller last year.


bestseller British  
/ ˌbɛstˈsɛlə /

noun

  1. a book, record, CD, or other product that has sold in great numbers, esp over a short period

  2. the author of one or more such books, etc

"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

Other Word Forms

Derived Forms

Etymology

Origin of bestseller

An Americanism dating back to 1885–90; best + seller

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.

McDonald, who wrote the bestseller, “A Colossal Failure of Common Sense,” said tech representation in the S&P 500 is so high that retail investors are being force-fed the sector.

From MarketWatch • Jun. 4, 2026

She is well-known for using her experience as a psychotherapist to write non-fiction books, including bestseller The Book You Wish Your Parents Had Read.

From BBC • Jun. 2, 2026

What we read is no longer driven by bookshops or bestseller charts alone, but by a constant stream of fast, highly personal recommendations.

From BBC • Apr. 24, 2026

But Morris also recycled newspaper work into book form, and “Venice” was a bestseller.

From The Wall Street Journal • Apr. 23, 2026

Keegan is among the most esteemed military historians who ever lived, and A History of Warfare was a critically acclaimed bestseller.

From "The Sense of Style" by Steven Pinker

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