General Synonyms:
* Draft: This implies a rough, preliminary version of something.
* Outline: This suggests a basic framework or plan.
* Drawing: This is a broader term that can encompass sketches, but also more detailed drawings.
* Doodle: This refers to a casual, informal sketch, often done without a specific purpose.
More Specific Synonyms:
* Thumbnail: A very small, quick sketch, often used for planning a larger composition.
* Study: A sketch done for practice or to explore a particular subject.
* Rendering: A more detailed and realistic sketch.
* Cartoon: A humorous or exaggerated sketch.
Informal Synonyms:
* Scribble: This suggests a quick and messy sketch.
* Rough: This implies a sketch that is not finished or detailed.
Depending on the specific context, you might also use words like:
* Diagram: If the sketch represents a technical drawing.
* Blueprint: If the sketch is a detailed plan.
* Map: If the sketch represents a geographical area.
To choose the best synonym, consider the style of the sketch, its purpose, and the level of detail.