* Simple: She was ecstatic about her acceptance into the university.
* Descriptive: The children were ecstatic with joy as they raced through the sprinkler on a hot summer day.
* Figurative: The music filled the concert hall, creating an ecstatic atmosphere that lifted the audience to new heights.
* Formal: The researcher expressed ecstatic delight at the groundbreaking results of the experiment.
* Informal: I was ecstatic when I finally found that vintage record I'd been searching for years!
Remember that the best way to use "ecstatic" depends on the tone and style of your writing.