- not decipherable; illegible.
- not understandable; incomprehensible.
Origin of indecipherable
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for indecipherable
A silver bucket adorned with indecipherable white symbols sits amid candles and small wooden figures of African gods.Hallucinating Away a Heroin Addiction
May 4, 2014
Yet how, in this age of protean trends and indecipherable jargon, are we to draw the line?When Not to Take a Selfie
December 11, 2013
Nuclear jargon has evolved into a code that is indecipherable to the layman.Be Afraid, Very Afraid
March 15, 2011
His edits often were indecipherable, mysterious marks on the side of the page written with a Sharpie.The Rove You Don't Know
March 9, 2010
A welter of indecipherable radio and communication-screen signals.Space Viking
Henry Beam Piper
He had almost entirely deciphered the indecipherable document.In Search of the Castaways
It is so tattered that one stanza, the last, is indecipherable and had to be omitted.Poems of American History
Inside this stood a building the name of which is indecipherable.
And then, I am sorry to say, the cryptogram is indecipherable.Eight Hundred Leagues on the Amazon
- not decipherable; illegible
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
Word Origin and History for indecipherable
Online Etymology Dictionary, © 2010 Douglas Harper