1. to explain something in detail or at length
2. to present and explain a theory or idea systematically
Usage: formal

Examples

• The professor expounded his theory on climate change for two hours.
• She expounded the benefits of the new policy to the board.
• The author expounds his philosophy in the final chapter.
• He expounded on the importance of education during his speech.
• The teacher expounded the complex mathematical concept step by step.
• The expert expounded the historical significance of the discovery.