"deeply provincial and conformist"; "in that well-educated company I felt uncomfortably provincial"; "narrow provincial attitudes"
is similar to
awkwardly simple and provincial
"bumpkinly country boys"; "rustic farmers"; "a hick town"; "the nightlife of Montmartre awed the unsophisticated tourists"
is similar to
strong and healthy but not sophisticated
is similar to
narrowly restricted in outlook or scope
"little sympathy with parochial mentality"; "insular attitudes toward foreigners"
is similar to
small and remote and insignificant
"a jerkwater college"; "passed a series of poky little one-horse towns"
is similar to
not given to travel
"a stay-at-home friend"