1. based on or involving theory rather than practical experience or real situations
2. existing only in theory; not proven or demonstrated in practice

Examples

• The professor discussed theoretical physics concepts that seemed impossible to understand.
• Her theoretical knowledge of cooking was extensive, but she had never actually prepared a meal.
• The new drug shows theoretical promise, but clinical trials haven’t begun yet.
• Students often struggle to connect theoretical principles with real-world applications.
• The theoretical maximum speed of the vehicle is 200 mph.
• His theoretical understanding of economics was impressive during the debate.
• The theoretical framework provided a foundation for the research study.