ULTRA-

adj. extreme, immoderate, excessive, drastic, radical, fanatic(al), unmitigated, outrageous, unqualified, sheer, blatant, out-and-out, complete, thorough, thoroughgoing, dyed in the wool, die-hard, rabid, opinionated, unregenerate, unrepentant, unreformed, fundamentalist, prejudiced, bigoted, Colloq hard-nosed Ultra-conservativism marked his views till the day he died