"No definition found" I recently restored my iPhone 5 from backup, and noticed that my dictionary always gives the message "No definition found" (although this could have started earlier and I just didn't notice until now). I tried selecting Manage from the bottom left of the empty dictionary message, then deleting and re-adding a dictionary; however, I still get the same message.
An Apple Support discussion, iPhone 5, my 'define' word feature no longer is an option. How can I get it back?, suggests the following:


  
  Go to Settings > General > International > Language
  Change the language to one of Apples supported languages like Spanish.
  Go to your notepad, type "test", press hold, select the word, and click the "define" that now appears.
  This will tell you there is no current dictionary, and prompt for one to be downloaded.
  Assure you are on a stable Wi-Fi network, and hit download.
  Once complete, go back to your language settings and switch back to your native language.
  Enjoy your dictionary feature without having to "reset" your phone.