au naturel
plain sailing
smooth
plaintively
inexplicitly
uncomplicated
superficially
purely and simply
paint by numbers
straightforwardly
decomplication
uncomplication
minimally
nothing to it
mereologically
child's play
explain
uncryptic
subminimally
shallowly
supersimple
haplo-
simplicially
onefold
plainly
sparsely
unembroidered
cut and dried
simplemindedly
mediumistically
lowly
dizzy
noncomprehensively
sparely
capsule
simplish
nonminimally
rudimentary
more or less
somewhat
inexpediently
straight from the shoulder
mundanely
plainspokenly
unembellished
easy peasy
straightforward
slightly
tersely
subthematically