That talks rapidly and continuously in a foolish, excited, or incomprehensible way; chattering, prating, tattling; (also) full of or…

That chatters (in various senses of the verb).

Characterized by, given to, or constituting foolish, silly, or feeble words or action.

Chattering, babbling. In modern Scottish, tattling.

That ‘trattles’; chattering, tattling, gossiping.

That prates; (originally) talking idly, chattering, prattling, esp. at length; (now usually) talking in an overbearing or pompous way, ‘preaching’.

That chats (in various senses of the verb).

Of a person: characterized by railing, ranting, or the use of bombastic language; loud-mouthed, outspoken, rude. Cf. lippy, adj. 2.

Giving forth in driblets.

figurative. Of verse: that rhymes or jingles. Of speech or language: empty, idle, senseless. Of a speaker: that uses language of this type. Now rare.

Talking foolishly.

Chiefly Scottish. Given to or characterized by foolish or inconsequential chattering; garrulous, talkative; nonsensical.

Given to or characterized by foolish or inconsequential chatter or gossip; garrulous, blathering. Also: foolish, stupid. Now archaic and rare.

Chiefly Scottish and English regional (northern). The action or an act of talking foolishly or inconsequentially; empty talk, nonsense; chatter…

Talking foolishly.

Characterized by blether.

Senselessly discursive or talkative, babbling; esp. of a person, used chiefly as an intensive adjective, with the meaning ‘consummate’ (frequently in…

Chattering; grumbling, complaining.

Chiefly Welsh English. Inclined to talk a lot, especially in a rude, insolent, or belligerent way; loud-mouthed. Cf. mouthy, adj. 1a.