What is another word for haddest to?
Pronunciation: [hˈadəst tuː] (IPA) 
The verb "haddest to" is an old-fashioned term that means "had to" or "must." If you're looking for synonyms to replace it, there are several options to choose from. Some words that express a similar meaning are "required," "obliged," "compelled," "forced," "necessitated," "ordered," "mandated," "dictated," "enforced," and "imposed." Depending on the context, you might also use "needed," "had no choice but to," or "was obligated to." Whichever word you choose, make sure it fits the tone of your writing and conveys the necessary sense of obligation or necessity.
