The word "pitchest" does not exist in the English language and therefore, has no synonyms. However, if the word is intended to be "pitched," there are numerous synonyms including "flung," "hurled," "tossed," "cast," "lobbed," and "heaved." Each synonym has a slightly different connotation and can be more appropriate depending on the context in which it is used. For example, "flung" implies a sudden and forceful throw, while "lobbed" suggests a lighter and more leisurely toss. It's important to choose the right synonym to accurately convey the intended meaning of the sentence.