Definition of "theoretical" []

• Of, relating to, or based on theory. (adjective)
• Restricted to theory; not practical: theoretical physics. (adjective)
• Given to theorizing; speculative. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Despite being conveyed as “purely theoretical”, a recent article in the national Canadian newspaper, the Financial Post, referred to the amero, not as a theoretical idea or conspiracy theory, but as a potential reality."
• "Aristotle is well aware of the limitations of what he calls theoretical wisdom."
• "I don't teach abstract political science with all the, what I call theoretical, conceptual baloney."