Liberal to an extreme, especially in political beliefs; radical. (adjective)
One who is extremely liberal. (noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "ultraliberal" in a sentence
"They blame her for ruining many small farmers and pushing some to suicide with what they call ultraliberal policies and a failed milk quota system."
"Obviously snob appeal, at least outside certain ultraliberal enclaves (college towns, parts of Manhattan and San Francisco) is insufficient to win elections."
"Or the fact that even in ultraliberal California, a majority of voters opposed same sex marriage laws at the ballot box."