What is another word for over-soon?
Pronunciation: [ˌə͡ʊvəsˈuːn] (IPA) 
The phrase "over-soon" refers to something that ended too quickly or abruptly. There are a number of synonyms that can be used to convey similar meanings, such as "prematurely," "abruptly," "unexpectedly," "abruptly," "suddenly," and "unanticipated." Other synonyms for "over-soon" might include "swiftly," "hastily," "rushed," or "impetuous." All of these words are useful for describing an event or experience that ends too soon, leaving one feeling unfulfilled or disappointed. Regardless of which synonym you choose, the connotation is generally negative, suggesting a sense of disappointment or regret over something that could have been better or more satisfying.
