- The definition of indecipherable is something that cannot be read or understood.
Really messy handwriting that you cannot read is an example of something that would be described as indecipherable.
indecipherable definition by Webster's New World
that cannot be deciphered; illegible
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
- indecipherability noun
indecipherable definition by American Heritage Dictionary
Impossible to decipher: indecipherable handwriting; an indecipherable message.
- inˌde·ciˌpher·a·bilˈi·ty, inˌde·ciˈpher·a·ble·ness noun
- inˌde·ciˈpher·a·bly adverb