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v. Simple past tense and past participle of gabble.

"Tom Byam Shaw's Ariel may swing on a trapeze from time to time but his speech – at first strangely elongated, then gabbled – is earthbound and he trips around the stage as if he were an obliging ballet student rather than a sharp-edged sprite."

gabbled    gabbles    gabbling   

gibber    gibberish   

gabbled    gabbling   

prate    jabber    babble    chatter    cackle   

prattle    babble    gibber    twaddle    cackle    balderdash    jabber    gobble    gibberish    drivel