Definitions:

1. A loud and continuous noise or chatter, often associated with complaining or insistent talking. NOUN
   • The constant yammer from the construction site made it hard to concentrate.
2. An enterprise social networking service used for private communication within organizations, that is part of the Microsoft 365 family of products. NOUN
   • We posted the project update on Yammer for everyone to see.
3. Continuous, often annoying complaints or demands. NOUN
   • The yammer of the protesters could be heard all day.
4. To keep complaining about something in a way that becomes tiresome to others. VERB
   • He yammered on about the unfairness of the new company policies.
5. To produce a loud, repetitive noise. VERB
   • The old machine yammered and clanked as it struggled to start.
6. To speak in a continuous, often loud, and annoying manner. VERB
   • The children yammered all the way home about their exciting day at the amusement park.
7. To talk persistently and often loudly, especially in a complaining or insistent manner. VERB
   • The kids yammered about getting socks for Christmas again.

Synonyms:

• babble
• chatter
• clamor
• grumbling
• nag
• racket
• whine
• whining