easy
simple
Mickey Mouse
bald
bare
blank
casual
clear
cushy
easy as pie
effortless
facile
glib
incomplex
light
naked
nothing to it
nude
painless
plain
simple as ABC
smooth
soft
straightforward
unadorned
unadulterated
unarrayed
unburdensome
undecked
undecorated
undressed
unembellished
unfurbished
ungarnished
uninvolved
unornamented
unsophisticated
untrimmed
unvarnished
apolitical
asymptomatic
childlike
dependable
easygoing
economical
femoral
guileless
heartfelt
inexpensive
innocuous
patellar
restful
sane
unambiguous
uneventful
unobtrusive
unselfish
venereal
well-behaved
complicated