in-capable (adjective) incapable: not adequate; helpless
Sinonime: babbling, chattering, chatty,
fluent, gabby, garrulous, gossipy, jabbering, long-winded, loose-lipped, motormouth, multiloquent,
prolix,
verbose, voluble,
wordy, yacking
Antonime: quiet,
restrained, silent,
subdued