ultraconservative adjective 1noun 1forms 3 adjective1 •Extremely conservative, especially in politics.The John Birch Society is an ultraconservative political group in the USA. noun1 •A person or group with extremely conservative views.For example, as pope, Francis challenges the ultraconservatives in the Church to be ultrainclusive of people whom other popes never bothered to embrace: […] — 2014 formsultraconservatives · more ultraconservative · most ultraconservative