What is sophisticated synonym that has three syllables for bad?

There isn't a perfect three-syllable synonym for "bad" that carries the same meaning and conveys sophistication. However, depending on the context, you could use:

Negative Connotations:

* Defective: This implies something is flawed or imperfect.

* Unworthy: This suggests something is not good enough or not deserving of praise.

* Unsavory: This refers to something morally questionable or unpleasant.

* Reprehensible: This suggests something is highly blameworthy or wrong.

For more specific contexts, consider:

* Inferior: This emphasizes a lower quality or standing.

* Unfortunate: This implies something is regrettable or undesirable.

* Troublesome: This focuses on something being problematic or causing difficulty.

The best choice will depend on the specific meaning and tone you want to convey.