direct
unpainted
Spartan
arcadian
ascetic
austere
authentic
bald
bare
blank
bona fide
bucolic
candid
card-carrying
common
commonplace
dinkum
dry
dull
following the letter
frank
genuine
good
guileless
homely
homespun
honest
honest-to-God
inartificial
lawful
lean
legitimate
lifelike
literal
matter-of-fact
naked
native
natural
naturalistic
naturelike
neat
nude
open
openhearted
original
outspoken
pastoral
plain
plain-speaking
plain-spoken
prosaic
artless
circumstantial
dreary-looking
emusic
factual
incontrovertible
self-evident
straightforward
succinct
unadorned
unadulterated
unambiguous
unblushing
unembellished
unexaggerated
unmitigated
unmusical
unpretending
unreserved
unrestored
wall-space
well-told
garnished
tarnished
varnished