buzzword

noun
  1. A word or phrase, often an item of jargon, that is fashionable at a particular time or in a particular context, especially in fields such as business, technology, or politics. noun
    The term 'synergy' became a buzzword in corporate circles during the 1990s.
    In recent years, 'blockchain' has become a buzzword in the tech industry.
  2. A word or phrase used to impress or persuade, often without having any substantial meaning or value. noun
    The politician's speech was filled with buzzwords but lacked concrete plans.
    Critics argue that 'innovation' has become a buzzword that companies use to attract investors.