Here are some synonyms for frantic:
* Desperate
* Distraught
* Hysterical
* Panicked
* Wild
* Frenzied
Here are some examples of how "frantic" can be used in a sentence:
* She was frantic with worry after her son didn't come home from school on time.
* The crowd became frantic when the fire alarm went off.
* He made a frantic attempt to escape the burning building.
In short, "frantic" describes a state of extreme anxiety, fear, or nervousness.