n. A person advocating some ideology, especially as an official or the most eminent advocate.
the GNU version of the Collaborative International Dictionary of English
n. an adherent to or advocate of some ideology{3}.
The Century Dictionary and Cyclopedia
n. Same as ideologist.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. an advocate of some ideology
Word Usage
"Johnston, avid supporter of the program writes, President Obama is likely to go down as this generation's Jimmy Carter, that is to say a one term ideologue."