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Synonyms

unreadable

American  
[uhn-ree-duh-buhl] / ʌnˈri də bəl /

adjective

  1. not readable; undecipherable; scribbled.

    His scrawl was almost unreadable.

  2. not interesting to read; dull; tedious; an unreadable treatise.

  3. extraordinarily difficult to read or comprehend; obscure; incomprehensible.

    an unreadable dream; an unreadable expression.


unreadable British  
/ ʌnˈriːdəbəl /

adjective

  1. illegible; undecipherable

  2. difficult or tedious to read

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

  • unreadability noun
  • unreadableness noun
  • unreadably adverb

Etymology

Origin of unreadable

First recorded in 1795–1805; un- 1 + readable

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

A strong undercurrent of that lively book is that it’s good to be unreadable and sneaky: “I play it very loose.”

From The Wall Street Journal • Apr. 2, 2026

Critics argue that this policy clearly isn't working, if the terms and conditions are unreadable, and cookie choices are an irritation rather than a valued defence.

From BBC • Mar. 4, 2026

The BBC has seen a copy of the judgement which includes the report and a two-page prescription which shows the doctor's unreadable scrawl.

From BBC • Sep. 30, 2025

Her expression is unreadable, at once thoughtful, curious, interested and detached.

From Los Angeles Times • Sep. 1, 2025

I stare at her in shock, but her face is unreadable.

From "An Ember in the Ashes" by Sabaa Tahir