General:
* Articulate: This is a common and versatile word, implying clear and precise speech.
* Eloquent: This suggests not only clear speech, but also fluency and persuasiveness.
* Well-spoken: This implies that the person speaks in a way that is generally pleasing and easy to understand.
Specific to clarity:
* Clear-spoken: This directly emphasizes the clarity of their speech.
* Precise: This highlights the accuracy and detail of their words.
* Distinct: This focuses on the individual sounds being spoken clearly.
Other options:
* Fluent: This refers to smooth and effortless speech.
* Comprehensible: This emphasizes the ability to be understood.
* Well-articulated: Similar to "articulate," but emphasizing the distinctness of their speech.
The best word will depend on the context and the specific quality you want to highlight.