D defs.my
Entry 1 sense Webster, 1913

Cannot

/kăn'-ät/ · Can·not · IPA /ˈkæ(n.)nɑt/
01 Am, is, or are, not able; -- written either as one word or two.
  1. 1.
    Am, is, or are, not able; -- written either as one word or two.