heavyburdensome
Heavyburdensome is an adjective used to describe something that is exceptionally difficult to bear, either physically or emotionally. It implies a weight or pressure that is significantly greater than what is normally expected or manageable. The term can be applied to a wide range of situations, from carrying a large load to enduring a significant hardship.
When used in a physical context, heavyburdensome refers to an object or task that requires considerable strength
The etymology of the word suggests a combination of "heavy," indicating significant weight or importance, and