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

To understand the main points.

An idée fixe, an obsession.

(informal) To not know; to have no idea.

(US, colloquial, often preceded by hey) Used to express surprise or dissatisfaction with an action or statement of another person, especially to that person.

(chiefly in the negative) To have any knowledge (about something); have a clue. / Used other than figuratively or idiomatically: see have, first, idea.

To not know anything about something.

Alternative spelling of overvalued idea

plural of abstract idea

plural of absolute idea