Noun

• S: (n) balderdash (balderdash%1:10:00::), fiddle-faddle (fiddle-faddle%1:10:00::), piffle (piffle%1:10:00::) (trivial nonsense)

Verb

• S: (v) chatter (chatter%2:32:00::), piffle (piffle%2:32:00::), palaver (palaver%2:32:02::), prate (prate%2:32:00::), tittle-tattle (tittle-tattle%2:32:00::), twaddle (twaddle%2:32:00::), clack (clack%2:32:00::), maunder (maunder%2:32:01::), prattle (prattle%2:32:00::), blab (blab%2:32:02::), gibber (gibber%2:32:00::), tattle (tattle%2:32:00::), blabber (blabber%2:32:00::), gabble (gabble%2:32:00::) (speak (about unimportant matters) rapidly and incessantly)
• S: (v) piffle (piffle%2:29:00::) (act in a trivial or ineffective way)
• direct hypernym / inherited hypernym / sister term
• S: (v) act (act%2:29:00::), behave (behave%2:29:00::), do (do%2:29:09::) (behave in a certain manner; show a certain behavior; conduct or comport oneself) "You should act like an adult"; "Don't behave like a fool"; "What makes her do this way?"; "The dog acts ferocious, but he is really afraid of people"
• derivationally related form
• sentence frame