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