1. people who hold extreme views or advocate radical positions beyond what is considered moderate or conventional
Usage: plural form of ultraist

Examples

• The ultraists in the political movement pushed for immediate and complete reform.
• Many ultraists refused to compromise on their demands.
• The party distanced itself from the ultraists in its ranks.
• Ultraists on both sides of the debate made negotiation difficult.
• The moderate leaders tried to control the influence of the ultraists.
• Some ultraists believed that gradual change was insufficient.