What is the Latin word for tattler?

The usual Latin words for “tattler” are garrulus, loquāx. The right choice depends on the sense; see the distinctions below.

English → Latin

“tattler” in Latin

garrulustalkative, garrulous loquāxtalkative, chatty, loquacious

Riddle & Arnold A Copious and Critical English–Latin Lexicon, 1864

tattler

garrulus: loquax (the garrulus is tiresome from the quality, the loquax from the quantity of what he says): qui silere tacenda nequit.

Quick answer

What is the Latin word for tattler?: The usual Latin words for “tattler” are garrulus, loquāx. The right choice depends on the sense; see the distinctions below.

Entry from J. E. Riddle & T. K. Arnold, A Copious and Critical English–Latin Lexicon (rev. C. Anthon, New York: Harper, 1864), digitised by Fergus J. P. Walsh, CC BY-SA 4.0; Latin markup adapted by latindictionary.co.