chitter-chatter noun 3verb 1forms 3 noun3 •Light and lively discussion. •Talk about trivial or nonsensical matters; inconsequential or incessant conversation. •(dialect) The chattering of teeth due to trembling, shivering, etc. verb1 •To talk trivially, nonsensically, or incessantly. formschitter-chattered · chitter-chattering · chitter-chatters