Synonyms and Antonyms of insular
- an insular community that is not receptive of new ideas, especially from outsiders
inflexible, ironbound, obdurate, obstinate, rigid, set, stubborn, unyielding, wrongheaded
biased, discriminating, discriminatory, jaundiced, one-sided, partial, partisan, prejudiced
brass bound, hidebound, old-fashioned, reactionary, stodgy, straitlaced (or straightlaced), stuffy
dogmatic (also dogmatical), opinionated, opinionative