"Wouldn't" is a contraction for "would not". Synonyms for this word include "will not", "refuse to", "decline to", "will not agree to", "balk at", "turn down", "disagree to", "neglect to", "avoid", "reject", "abstain from", "forbear", "withhold", "refrain from", "pass up", "eschew" and "give a wide berth to". Each of these words have different connotations and usages, and it is important to use the correct synonym in the appropriate context. Ultimately, these synonyms can also convey a sense of reluctance or stubbornness, depending on the situation.