To talk idly or foolishly; gossip.(verb-intransitive)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "tittle-tattle" in a sentence
"What these documents add is gossip and tittle-tattle between the negotiators."
"In lieu of direct experience, social tittle-tattle allows people to learn about others across a very wide group, the team say."
"Thanks for your company on this marathon day of tittle-tattle."