Here are some possible interpretations:
* Speed: Perhaps "speditious speech" refers to speech delivered at a fast pace.
* Efficiency: It could also refer to speech that is concise and gets to the point quickly, without unnecessary verbiage.
* Specific to a particular context: It's possible "speditious speech" is a term used within a specific field or community with a unique meaning.
If you encountered this term in a specific context, please provide more information about where you saw it so I can assist you further.