artless
ingenuous
arrowlike
authentic
bona fide
candid
card-carrying
dead straight
dinkum
direct
even
faithful
flat
following the letter
genuine
good
honest
honest-to-God
horizontal
in a line
inartificial
just
lawful
legitimate
level
lifelike
lineal
linear
literal
natural
naturalistic
original
pure
real
realistic
rectilineal
rectilinear
right
rightful
ruler-straight
simon-pure
simple
sincere
smooth
sterling
straight
straight-cut
straight-front
straight-side
streamlined
strict
sure-enough
Waters
agrammatic
all-enveloping
aphasic
calculable
cool-blooded
desireless
five-hour
hagel
half-transparent
heart
indexical
indoor
instillation
kept
long-pent
many-voiced
mirrorlike
moon-like
saintlike
sea-blue
small
uncircumscribed
unfollowed
utilizable