mainstream
/ˈmeɪnstriːm ˈमेन्स्ट्रीम्/ noun [sing.] the mainstream the ideas and opinions that are considered normal because they are shared by most people; the people who hold these opinions and beliefs अधिकतम लोगों में प्रचलित सामान्य विचार और मत; मुख्यधारा, सामान्य विचार और मत रखने वाले लोग
The Green Party is not in the mainstream of British politics.