straightforwardly
simplistic
straightforward
haplo-
onefold
ultrasimple
supersimple
easyish
downhill
eathy
mick
nothing to it
nimps
uncomplication
decomplication
easy peasy
plain as Dunstable highway
cake walk
plain
smooth
purely and simply
forthright
pimpsy
easy as falling off a log
easy as pie
simple as kiss your hand
piss-easy
plain sailing
uncryptic
straight from the shoulder
there's nothing to it
simplish
bludge
easefully
cut and dried
easify
easy as 123
easy as ABC
monoplex
uncomplicated
uniplex
stock
supereasy
stern
austere
severe
stark
directly
flatling
plat
man-to-man
easy peasy lemon squeezy
nontaxing
open-and-shut
squarely
basical
au naturel
easy
waltz
eath
breathe freely
clear cut
lor
sell
unpretended
complicitous
lead-pipe cinch
unstuffy
ingenuousness
streamlined
like taking candy from a baby
prosaically
unquibbled
easellike
simplify
plainly
open-hearted
up and down
incomplex
essentially
unelaborate
dizzy
tortuous
rondoletto
oversimplicity
ex professo
plainful
child's play
simpleness
doss
plaintively
straight talk
at home
piece of piss
candid
heart-to-heart
vlakte
layup
open