from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. Not legible or decipherable; illegible: unreadable handwriting.
  • adj. Unsuitable for or not worth reading: unreadable prose.
  • adj. Not interesting; dull: wholly unreadable statistics.
  • adj. Incomprehensible; opaque: an unreadable facial expression.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. That cannot be read or is not easy to read.
  • adj. Not sufficiently interesting to be worth reading.

from The Century Dictionary and Cyclopedia

  • Not readable.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adj. not easily deciphered


from Wiktionary, Creative Commons Attribution/Share-Alike License

From un- + readable


  • She rolled toward him, her expression unreadable as she stared at him for several heartbeats and then finally shook her head.

    Dragon Warrior

  • He sat at the opposite side of the table from Nero, his expression unreadable due to the fact that his face was concealed by a smooth oval mask of flawless black glass.

    The Overload Protocol

  • There's no contrast between the font color and the background, making the title unreadable on a shelf.

    Neth Space

  • “I know you did,” Lucien said, his expression unreadable, his exhaustion-etched face still.

    Etched in Bone

  • Over his shoulder I see Lucy watching us, her expression unreadable.

    Pies & Prejudice

  • Lila stares into the glass of a vending machine, her expression unreadable.

    White Cat

  • The admiral looked at Brandon, his expression unreadable, saying nothing.

    The Tudors: King Takes Queen

  • Brian shook his head, and the glare from the monitor on his glasses rendered his expression unreadable.


  • She glanced at Trace to see his reaction, only to find his expression unreadable.

    Dragon Warrior

  • His eyes roamed over me, his expression unreadable.

    Wild Orchid


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