incoherent
US /ˌɪn.koʊˈhɪr.ənt/
UK /ˌɪn.koʊˈhɪr.ənt/

1.
incoerente, confuso
expressed in an incomprehensible or confusing way; unclear
:
•
His speech became incoherent after a few drinks.
Sua fala ficou incoerente depois de algumas bebidas.
•
The witness gave an incoherent account of the accident.
A testemunha deu um relato incoerente do acidente.
2.
incoerente, incapaz de falar
(of a person) unable to speak intelligibly
:
•
He was so drunk he was completely incoherent.
Ele estava tão bêbado que estava completamente incoerente.
•
She woke up from the nightmare, screaming and incoherent.
Ela acordou do pesadelo, gritando e incoerente.