immethodical

Adjective

1. Unmethodical.
   • [T]he unſkilful and immethodical teaching of thir paſtor, teaching here and there at random out of this and that text as his eaſe or fanſie, and oft-times as his ſtealth guides him. - 1659, J[ohn] M[ilton],...
   • I must beg my reader’s indulgence, being the most immethodical writer imaginable. It is true I lay down a scheme, but fancy is so fertile I often start fresh hints, and cannot but pursue them; pardon therefore, kind...
   • The letter I am looking for was one written by Mr Elliot to him before our marriage, and happened to be saved; why, one can hardly imagine. But he was careless and immethodical, like other men, about those things; and...