For the act of speaking:
* Verbal: Means relating to words or speech.
* Vocal: Means using the voice.
* Eloquent: Means fluent and persuasive in speaking.
* Articulate: Means able to express oneself clearly and effectively.
* Conversational: Means relating to conversation.
For the quality of speech:
* Fluent: Means speaking smoothly and easily.
* Clear: Means speaking in a way that is easy to understand.
* Loud: Means speaking with a strong volume.
* Soft: Means speaking with a gentle volume.
* Fast: Means speaking quickly.
* Slow: Means speaking slowly.
Other related adjectives:
* Silent: Means not speaking.
* Mute: Means unable to speak.
* Garrulous: Means talking excessively.
* Talkative: Means enjoying talking a lot.
To get the most fitting adjective, it's important to consider the specific context.
For example:
* "He gave a eloquent speech." (Describing the quality of the speech)
* "She is a very articulate speaker." (Describing the person's ability to speak)
* "They had a lively conversation." (Describing the nature of the conversation)