uneloquent
/ˌʌnɪˈlɒkʊnt/Definitions
1. adjective
lacking fluency or eloquence in speech or writing; not skilled in expressing oneself effectively
“The uneloquent politician struggled to articulate his vision for the country.”
2. adjective
not able to express oneself in a clear or convincing way
“The uneloquent student stumbled over their words during the presentation.”