Buzzword (noun)

1. A word or phrase, often jargon, that is fashionable at a particular time or in a particular context.
2. A term that becomes popular through excessive or widespread use.

Origin:

First recorded in 1960–65; buzz + word.

Examples:

1. The latest buzzword in the tech industry is "artificial intelligence".
2. The buzzword "greenwashing" refers to the practice of making false or misleading claims about the environmental benefits of a product or service.
3. His speech was filled with buzzwords, but it was hard to understand what he was actually trying to say.
4. She tried to sound knowledgeable by using buzzwords, but her lack of understanding was obvious.
5. The buzzword "big data" has been used to describe the vast amount of data that is being produced and collected today.