Comparative form of catchy: more catchy(adjective)
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Use "catchier" in a sentence
"Eventually coining the catchier title Otherland, Williams set to work after finishing Caliban's Hour, using many of the lessons learned whilst writing the trilogy and generally having a better time."
"His choice of words in the book is "almost certainly"; but while this is closer to what most atheists believe, "probably" is shorter and catchier, which is helpful for advertising."
"Modern marketing seems to demand something catchier."