What is another word for failed heavily?
Pronunciation: [fˈe͡ɪld hˈɛvilɪ] (IPA) 
There are many synonyms for the phrase "failed heavily," each one carrying its own unique connotation. Some options include "fell short," "miscarried," "washed out," "floundered," and "crashed and burned." "Fell short" implies that the failure was just shy of success, while "miscarried" suggests that the project or endeavor was flawed from the start. "Washed out" and "floundered" both convey a sense of aimlessness and lack of direction. Meanwhile, "crashed and burned" paints a vivid picture of the failure's devastating impact. Which synonym is best will depend on the context and tone of your writing.
