Synonyms of unprogressive

1 Syllable
late, dull
2 Syllables
rightwing, backward, checked, dense, stupid, rightist, delayed, behind, right-wing
3 Syllables
undaring, subnormal, conserver, moronic, right-winger, arrested
4 Syllables
imbecile, reactionary, feeble-minded, moderatist
5 Syllables
unactualized, conservative, traditionalist, conventionalist, undeveloped
6 Syllables
underprivileged, traditionalistic, underdeveloped, middle-of-the-roader
7 Syllables
ultra-conservative