- to make out the meaning of (poor or partially obliterated writing, etc.): to decipher a hastily scribbled note.
- to discover the meaning of (anything obscure or difficult to trace or understand): to decipher hieroglyphics.
- to interpret by the use of a key, as something written in cipher: to decipher a secret message.
- Obsolete. to depict; portray.
Origin of decipher
SynonymsSee more synonyms for on Thesaurus.com
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for undecipherable
"And a priest, too, I suppose," said Dalroy in an undecipherable manner.The Wisdom of Father Brown
G. K. Chesterton
There was no mark or initials, save an undecipherable monogram.A Little Girl in Old Detroit
Amanda Minnie Douglas
Captain, will you tell me what your undecipherable document contained?In Search of the Castaways
He stopped, for the undecipherable look had strengthened suddenly.The Bright Messenger
The inscriptions on the oldest tombstones are undecipherable.The Colonial Cavalier
Maud Wilder Goodwin
- to determine the meaning of (something obscure or illegible)
- to convert from code into plain text; decode
Word Origin and History for undecipherable
Online Etymology Dictionary, © 2010 Douglas Harper