adj. 25B6; adjective
a garrulous old man : TALKATIVE, loquacious, voluble, verbose, chatty, chattering, gossipy; effusive, expansive, forthcoming, conversational, communicative; informal mouthy, gabby, gassy, windy, having the gift of the gab, having kissed the Blarney Stone; Brit. informal able to talk the hind legs off a donkey.
his garrulous reminiscences : LONG-WINDED, wordy, verbose, prolix, long, lengthy, rambling, wandering, maundering, meandering, digressive, diffuse, discursive; gossipy, chatty; informal windy, gassy.
taciturn, concise.