GNU Collaborative International Dictionary of English

Found one definition

1.       
   Ado , (1) v. inf., (2) n. [OE. at do, northern form for to do. Cf. Affair.]
   To do; in doing; as, there is nothing ado. “What is here ado?” 
   J. Newton.
   
   1913 Webster
   Doing; trouble; difficulty; troublesome business; fuss; bustle; as, to make a great ado about trifles.
   1913 Webster
   With much ado, he partly kept awake.
   Dryden.
   
   1913 Webster
   Let's follow to see the end of this ado.
   Shak.
   
   1913 Webster