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adj. froth·i·er, froth·i·est
1. Made of, covered with, or resembling froth; foamy.
2. Playfully frivolous in character or content: a frothy French farce.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.