The phrase "said no" is often used to indicate the opposite of what someone actually meant. It is a linguistic tool that can be used to suggest sarcasm or irony in a sentence. There are many synonyms for "said no" that can be used to convey this message, including "expressed disbelief," "denied," "contradicted," "opposed," "rejected," "refuted," "disagreed," "debated," and "disputed." Each of these phrases can be used in the right context to communicate a different level of irony or sarcasm that transforms a simple statement into a wry, humorous observation. By using synonyms for "said no," writers can create more nuanced and engaging prose.