Cite
 

Meaning of unputdownable

un•put•down•a•ble

Pronunciation: (un"poot-dou'nu-bul), [key]
— adj. Informal.
  1. (esp. of a book or periodical) so interesting or suspenseful as to compel reading.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.