unputdownable
un·put·down·able/ˌənˌpʊtˈdaʊnəb(ə)l/adjective
unputdownable is an adjective meaning “Of a person, etc.: difficult or impossible to put down (in various senses)” (English Wiktionary, September 2026). It is spelled U-N-P-U-T-D-O-W-N-A-B-L-E and has 4 syllables (un·put·down·able), and it appears about once in every 43 million words in written English (wordfreq, 2021 data).
What does unputdownable mean?
adjective
- 1
informalOf a person, etc.: difficult or impossible to put down (in various senses).
- 2
informalOf a book or other written work: so captivating or engrossing that one cannot bear to stop reading it.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
How do you pronounce unputdownable?
- UK /(ˌ)ʌnpʊtˈdaʊnəb(ə)l/
- US /ˌənˌpʊtˈdaʊnəb(ə)l/
Unputdownable has 4 syllables, split un·put·down·able in writing.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Vealhurl-unputdownable.wav, Wikimedia Commons (author and licence on each file's page).
Forms of unputdownable
- more unputdownable comparative
- most unputdownable superlative
- un-put-downable
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
How common is unputdownable?
Unputdownable appears about once in every 43 million words in written English, the 201,693rd most frequent word form in the list.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
Where does unputdownable come from?
From un- + put down + -able.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).