What is the high modality word for sad?

There isn't a single "high modality" word for sad that universally captures a specific, higher level of sadness. Modality in language refers to the speaker's degree of certainty or commitment to a statement.

However, depending on the context and the intended meaning, you might use words like:

* Devastated: Implies a very deep and overwhelming sadness, often associated with a significant loss.

* Despondent: Conveys a feeling of hopelessness and discouragement.

* Heartbroken: Suggests a deep emotional pain caused by a loss, like the end of a relationship.

* Wretched: A very intense and painful sadness, often accompanied by physical discomfort.

* Agonized: Expresses a state of extreme emotional distress and suffering.

It's important to choose the right word based on the specific situation and the level of sadness you want to convey.