Comparative form of bubbly: more bubbly(adjective)
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Use "bubblier" in a sentence
"TORONTO (AP) - Clutching two paper cups of cola, Denver coach George Karl planned to celebrate New Year's Eve, and his 900th career victory, with something stronger but not bubblier."
"Peris seemed bubblier than he had a month ago—all the Crims did—but Tally no longer saw improvement in him from day to day."
"All day, every day, bubblier than you can imagine."