This list contains all the adverbs used in the English language that start with X. It includes negative and positive adverbs with X to describe a person.
| Xenobiotically | Xenogenetically | Xenomorphously |
| Xenophobically | Xenoplastically | Xerically |
| Xerographically | Xeromammographically | Xerophytically |
| Xeroradiographically | Xylographically | Xylophonically |
