1) Brain disease 2) Brain disorder 3) Encephalopathy 4) Of a language impairment 1) Inarticulate 2) Unarticulate 
• (a.) Pertaining to, or affected by, aphasia; speechless.
Relating to or suffering from aphasia. ... (05 Mar 2000) ... 
A·pha'sic adjective Pertaining to, or affected by, aphasia; speechless. 
[adj] - related to or affected by aphasia 2. [adj] - unable to speak because of a brain lesion 3. [n] - someone affected by aphasia or inability to use or understand language
aphasic Relating to, or suffering from aphasia (a defect or loss of the ability to speak or write, or the inability to understand spoken or written language).
adjective unable to speak because of a brain lesion