straightforwardly
straightforward
plat
flatling
straight from the shoulder
simplistic
plain as Dunstable highway
ultrasimple
man-to-man
uncryptic
plain
prosaically
onefold
easyish
eath
flat
easy peasy
complicitous
eathlins
mick
eathy
forthright
supersimple
nimps
downhill
plainly
easefully
easy as falling off a log
piss-easy
pimpsy
easy as pie
nontaxing
simple as kiss your hand
purely and simply
strickly
nothing to it
straitly
haplo-
bein
uncryptically
smooth
ex professo
bain
outrightly
directly
clear cut
cake walk
squarely
ingenuously
decomplication