adjective un·read·able \ˌən-ˈrē-də-bəl\

Definition of unreadable

  1. :  not readable : such asa :  not decipherable :  illegible <unreadable handwriting>b :  impossible to read and understand :  incomprehensible < … a flawed, unreadable, misleading bill that garnered support based on propaganda and clever—but false—talking points. — Marilyn M. Singleton>c :  impossible to interpret <The expression on her face was unreadable.>d :  not enjoyable or interesting enough to engage the reader <an unreadable novel>

Circa 1655

First Known Use of unreadable

circa 1655

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