Incoherant.
Articulate
enunciate
The word articulate can be an adjective and a verb. The adjective form means to be speaking in a clear manner. The verb form means to speak clearly.
MOTERMOUTH
The word that means to speak evasively is "equivocate."
Dysphagia
Visual clarity means to see clearly.
the word is malediction means to speak evil of or curse
The word, articulating, means to speak in clean, no nonsense words. When a person articulates, they are speaking clearly without any meaningless words. They are known for speaking well.
A person who can not or will not speak is known as a 'mute'
unable to speak distinctly or express oneself clearly
In Spanish, the word hablan means "they speak,or you (plural) speak."