(psychiatry) A false or exaggerated and sustained belief that is maintained with much less than delusional intensity (i.e., the individual is able to acknowledge the possibility that the ideas may not be true). The belief is accompanied by a strong emotional response, that take priority over all other mental activity.

plural of absolute idea

(philosophy) In Hegelianism, the spiritual principle of which the reality is the expression.

The false belief that random occurrences have a special connection to oneself.

prediction market

plural of abstract idea

(art) A form of art based on small individual ideas rather than generic aesthetic, material and disciplinary concerns.

Idea behind a business, central to the generation of revenue.

A disagreement of opposing ideas between countries, which leads to the exercise of their influence abroad to spread their respective ideologies.

An idée fixe, an obsession.