linear
one-dimensional
rectilinear
straight
amatorial
diss
embark
gainsaid
hard-to-find
ionospheric
mag-lev
multipath
negro-man
reimbursable
stated
steamcrawler
sub-standard
unalluring
uncropped
undesignated
undivulged
unintuitive
unprocurable
unpublishable
well-hidden
well-provided
well-trodden