Breadcrumb Home > Dictionary > Index C Cite class act: Meaning and Definition of Find definitions for: class' act' Pronunciation: [key] — Informal. Informal. something or someone regarded as outstanding or elegant in quality or performance. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. class class action TrendingHere are the facts and trivia that people are buzzing about. April 2021 Current Events: US News The Berlin Conference and the Partition of Africa The Implied Powers of Congress Noble Titles and Ranks in a Monarchy Keeping Your Brain Active in a COVID-19 World Quetzalcoatl: Aztec Myths and Myths About the Aztecs Related Content Daily Word Quiz: paschal Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language