Meanings
To regard with passionate affection.
To pay overt attention to, as from sycophancy or intense interest.
Example: "They hung upon his every word."
To hover around.
Example: "to hang upon the flanks of a retreating enemy"
To depend upon.
Example Sentences
1
Our success will hang upon the quality of our products.
2
The team's chances of winning the championship hang upon the performance of their star player.