uninteresting
Attic
Spartan
arid
ascetic
austere
bald
bare
barren
candid
chaste
classic
classical
common
commonplace
direct
drab
dry
dull
earthbound
everyday
flat
frank
garden
garden-variety
homely
homespun
household
humdrum
infecund
infertile
insipid
lackluster
lean
lifeless
literal
lusterless
matter-of-fact
mundane
natural
neat
nondescript
open
ordinary
pedestrian
plain
plain-speaking
plain-spoken
prosier
prosiest
prose
egotistic
expository
irksome
jejune
lengthy
long-winded
obtuse
pointless
priggish
profitless
prosaic
roundabout
stilted
trite
unalluring
unedifying
uninspired
uninspiring
vapid
wearisome