any impairment in the ability to speak.
Origin of dysphemia
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
A speech disorder characterized by stammering or stuttering and usually having an emotional or psychological basis.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.