Stable Diffusion, a cutting-edge deep learning text-to-image model released in 2022, has revolutionized the generation of detailed images based on text descriptions. While its primary application is generating art conditioned on text prompts, it can also be utilized for various tasks, including inpainting, outpainting, and image-to-image translations guided by text prompts. One of the key parameters to master when using Stable Diffusion is the “Negative Prompt.”

Understanding Negative Prompts in Stable Diffusion
A negative prompt is a powerful tool that allows users to specify what they don’t want to see in the generated image without requiring additional input. This parameter serves as a high-dimensional anchor, guiding the generation process away from undesired elements. Negative prompts can enhance image output by defining abstract concepts like “blurry” or “pixelated,” enabling users to create unique, detailed, and precise images.
How Negative Prompts Influence Generation
By providing negative prompts, users can exert greater control over the generation process. This means that even if Stable Diffusion produces duplicates, users can intervene by specifying negative prompts like “duplicate” or “poorly rendered face,” leading to more accurate and customized results. Remarkably, Stable Diffusion often comprehends negative prompts better than human language, resulting in improved output.
Using Negative Prompts in Stable Diffusion
To employ negative prompts in Stable Diffusion or Dream Studio, you simply add “| negative prompt>: -1.0” to the prompt. For example, “deformed, ugly: The error ‘-1.0, too many fingers: -1.0′” serves as a workaround to prevent an excessive number of fingers in the generated image.
Universal Negative Prompt List for Stable Diffusion
To assist you in leveraging negative prompts effectively, we present a comprehensive list of options to remove specific elements from the generated image:
- poorly drawn hands
- underexposed
- overexposed
- blurry
- malformed limbs
- jpeg artifacts
- low contrast
- missing legs
- morbid
- out of frame
- duplicate
- extra arms
- deformed
- worst quality
- extra fingers
- disfigured
- low quality
- extra limbs
- watermark
- error
- lowres
- ugly
- missing arms
- cropped
- username
- signature
- poorly drawn face
- long neck
- bad anatomy
- body out of frame
- text
- extra legs
- bad proportions
- dehydrated
- gross proportions
- mutation
- fused fingers
- cloned face
- mutated hands
- too many fingers