1.AdjectiveOf or pertaining to one or more ideologies.
"There are economists from all over the ideological spectrum.; ideological fervor"
2.AdjectiveIrrational; supported by misinformation and social reinforcement, as opposed to credible evidence.
3.AdjectiveCharacterized by strict, uncompromising adherence to a particular political ideology, rather than what’s necessarily considered popular or practical.
"The most ruthless leaders in history were often ideological ones with utopian visions.; The regime, ideological in governance, continued its agenda despite experts’ criticism.; ideological trade policy"