Synonyms and related words :
biased, bigoted, conservative, conventional, fundamentalist, hidebound, illiberal, intolerant, mean-minded, mean-spirited, narrow, narrow-spirited, old-fashioned, old-fogyish, one-sided, opinionated, parochial, pettifogging, petty, prejudiced, puritanical, reactionary, small-minded, square, stiff-necked, strait-laced, stuffy, unprogressive