If succinct means "brief and to the point," then the opposite could be:
* Verbose: Using more words than necessary, rambling.
* Prolix: Excessively wordy.
* Circumspect: Including unnecessary details, going around the point.
* Diffuse: Spread out, lacking focus.
* Rambling: Lacking coherence and structure.
If succinct means "concise and clear," then the opposite could be:
* Ambiguous: Unclear, open to multiple interpretations.
* Vague: Indefinite, lacking precision.
* Obscure: Difficult to understand.
* Confusing: Difficult to follow.
If succinct means "efficient and impactful," then the opposite could be:
* Wordy: Using too many words, making the message less impactful.
* Redundant: Repeating information unnecessarily.
* Unfocused: Lacking a clear message or purpose.
* Ineffective: Failing to achieve the desired result.
The best opposite for "succinct" depends on the specific context and what aspect of "succinct" you want to emphasize.