DNF
dee-en-EFF
"Did Not Finish" — the abbreviation used by readers to indicate they abandoned a book before completing it.
In context
She marked it DNF at page 80 and felt no guilt about it — life is too short.
His DNF rate dropped when he gave himself permission to stop at any point without finishing.
The book has a 3.8 average on Goodreads but her DNF note said: 'Fine writing, wrong moment.'
Did you know?
Research on reading habits suggests most readers who don't finish books stop in the first 50–100 pages. The concept of a "commitment" to finish every book started is a relatively recent cultural norm — in earlier centuries, readers skipped, sampled, and reread with no expectation of linear completion.
DNF — Did Not Finish — is the reading world's shorthand for abandoning a book, and the fact that it needs an abbreviation at all says something about how common and discussable the experience has become. It appears in reading logs, Goodreads reviews, book club notes, and social media posts, always carrying the faint implication that it needs explaining. Why didn't you finish it? Was it bad? Was it you? The DNF prompts a small defense, even when you've already decided you don't owe one.
The guilt around DNFs is largely a modern invention. Before the 19th century, reading was not primarily a linear experience of working through a book from page one to the end. Readers dipped into books, skipped sections, read chapter eight before chapter three, reread favorite passages while leaving others untouched. The idea of "finishing" a book — as a unit of completion to be recorded and reported — came with the rise of reading as a measurable social activity: book clubs, reading logs, eventually Goodreads and reading challenges with targets and streaks. The cultural norm of completing every book you start is a byproduct of treating reading as achievement rather than pleasure.
The practical case for DNF is straightforward: there are more good books than any reader will live to read, which means every hour spent grinding through a book that isn't working is an hour not spent on something better. This logic applies differently depending on why you're reading. A student assigned a text doesn't have the DNF option in the same way. A reader who started a book for a specific purpose — research, a recommendation, a book club — may have reasons to push through that outweigh the discomfort. But a reader who picked up a novel for enjoyment and is not enjoying it has no real obligation to continue.
Where DNF gets complicated is in distinguishing between a bad book and a bad moment. A book that doesn't work for you in February may be exactly right in August. Mood, context, and what you've just read all affect how a book lands. The classic DNF note is "this wasn't the right time" — a recognition that the abandonment isn't permanent, that the book is being deferred rather than judged. Keeping a shelf or list of deferred DNFs is one of the more useful practices in a personal library system.
Tracking DNFs in your reading log is worth doing honestly. A book marked DNF at page 60 tells you something about your reading history that "currently reading" doesn't. The catalog can hold this information without judgment — it's data, not a report card. Some readers track the page at which they stopped, which over time produces an interesting pattern: you learn where your own threshold is, and what types of books tend to lose you, which is information about your tastes as real as any list of favorites.
Related terms
Related guides
From the blog
How to Track Your Reading (Without Goodreads)
Tracking your reading means keeping a record of what you've read, what you're reading now, and what you want to read next. Here's how to do it in a way that serves you — not an algorithm.
Read more →TBR List: What It Is and How to Actually Use One
TBR stands for 'to be read' — a list of books you want to read. Here's how to build a TBR list that's useful rather than overwhelming, and how to stop it from becoming a source of anxiety.
Read more →Why Your Bookshelf Doesn't Need to Be Aesthetic
Your bookshelf doesn't owe anyone an aesthetic. It doesn't need to be sorted by color, curated for the camera, or cleared of anything that doesn't match. A real library looks lived-in.
Read more →