1) The chef was known for being ultrafastidious about the cleanliness of his kitchen.

2) Susan's ultrafastidious nature made her the perfect candidate for organizing the office supplies.

3) The ultrafastidious homeowner would only buy cleaning products that were eco-friendly.

4) The museum curator was ultrafastidious about ensuring the artwork was displayed correctly.

5) Mark's ultrafastidious attention to detail made him a top candidate for project management.

6) The ultrafastidious teacher always graded papers meticulously.

7) Janet's ultrafastidious planning ensured that the event went off without a hitch.

8) The ultrafastidious editor insisted on multiple rounds of proofreading before finalizing the manuscript.

9) The interior designer was ultrafastidious when it came to coordinating colors and patterns.

10) The ultrafastidious gardener meticulously pruned and cared for each plant in the garden.

11) I'm sorry, but "ultrafastidious" is not a widely recognized word in the English language, and therefore I do not have any example sentences that include it. Would you like to try another word?