Definition of "unreadable" []

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

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "She rolled toward him, her expression unreadable as she stared at him for several heartbeats and then finally shook her head."
• "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."
• "There's no contrast between the font color and the background, making the title unreadable on a shelf."