Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “ideology”


noun [C/U]  /ˌɑɪ·diˈɑl·ə·dʒi, ˌɪd·i-/ us  
politics & government a theory or set of beliefs, esp. one on which a political system, party, or organization is based
adjective  /ˌɑɪ·di·əˈlɑdʒ·ɪ·kəl, ˌɪd·i-/ us  
They voted along ideological lines.
adverb /ˌɑɪ·di·əˈlɑdʒ·ɪ·kli, ˌɪd·i-/
(Definition of ideology from the Cambridge Academic Content Dictionary © Cambridge University Press)
What is the pronunciation of ideology?
Add Cambridge dictionaries to your browser to your website

Definitions of “ideology” in other dictionaries

Word of the Day


an alcoholic drink made from apples

Word of the Day


Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More