To express different degrees of sallowness, you would use words like:
* More sallow: This would be the comparative form, indicating a higher degree of yellowness in complexion.
* Most sallow: This would be the superlative form, indicating the highest degree of yellowness in complexion.
You could also use adverbs like "slightly," "somewhat," "very," or "extremely" to modify the adjective "sallow."
For example:
* Slightly sallow: This indicates a subtle degree of yellowness.
* Very sallow: This indicates a strong degree of yellowness.
* Extremely sallow: This indicates an intense degree of yellowness.