adj. 25B6; adjective
the process was remarkably straightforward : UNCOMPLICATED, simple, easy, effortless, painless, undemanding, plain sailing, child's play; informal as easy as falling off a log, as easy as pie, a piece of cake, a cinch, a snip, a doddle, a breeze, a cakewalk; Brit. informal easy-peasy, a doss; N. Amer. informal duck soup, a snap; Austral./NZ informal a bludge, a snack.
a straightforward man : HONEST, frank, candid, open, truthful, sincere, on the level; forthright, plain-speaking, direct, unambiguous; informal upfront; N. Amer. informal on the up and up.
complicated.