Cannot

The Century Dictionary and Cyclopedia
  • A way of writing can not, due to the silencing in pronunciation of one of the n′ s.
  • the GNU version of the Collaborative International Dictionary of English
  • Am, is, or are, not able; -- written either as one word or two.
  • Wiktionary, Creative Commons Attribution/Share-Alike License
  • verb. Can not ( = am/is/are unable to).
  • verb. Am/are/is forbidden or not permitted to