nonfluent
/nɒnˈflʊənt/Definitions
1. adjective
Lacking or impeded in the ability to speak fluently; not able to express oneself effectively in speech or writing.
“The nonfluent patient had difficulty articulating words during the speech therapy session.”
2. noun
A person who is nonfluent, especially a person with a speech disorder.
“The speech therapist worked with several nonfluent children in her class.”