haplo-
simplistic
supersimple
forthright
simplish
ultrasimple
nothing to it
decomplication
easy peasy
uncomplication
there's nothing to it
eathy
nimps
mick
downhill
easyish
rondoletto
waltz
plain sailing
onefold
dizzy
stark
austere
stern
severe
sell
purely and simply
easy as pie
easy as falling off a log
pimpsy
piss-easy
simple as kiss your hand
cake walk
plain
uncomplicated
bludge
basical
plainful
maffling
woodcock
doof
loon
simpleness
easy peasy lemon squeezy
straightforward
smooth
spell things out
child's play
doddle
easy
easy as 123
easy as ABC
doss
unelaborate
plain as Dunstable highway
cut and dried
straightforwardly
open-and-shut
easify
mawkin
broad
stock
plainly
uncryptic
microconcept
patent
au naturel
supereasy
spell out
monoplex
uniplex
dumbed-down
layup
picnic
like taking candy from a baby
lor
supersimplification
nontaxing
eath
unsimple
ickle
widdle
nonsimple
piece of piss
likkle
puddysticks
wittle
basicity
incomplex
litty
easefully
like a bowl in a china shop
hay ride
make head or tail of
spell it out
basic
clear cut
unpretended
crate shy of a load
lead-pipe cinch