1) The non-casual attire requirement for the event was strictly enforced.

2) The non-casual dining experience at the restaurant included a seven-course meal.

3) The non-casual approach to the project yielded impressive results.

4) She always maintained a non-casual demeanor in professional settings.

5) The non-casual seating arrangement for the meeting promoted a formal atmosphere.

6) The company's non-casual dress code required employees to wear business attire.

7) The non-casual conversation quickly turned into a heated debate.

8) The museum's exhibit featured non-casual sculptures and paintings from renowned artists.

9) The school's non-casual policy on cell phone usage ensured a focused learning environment.

10) The non-casual tone of his email conveyed a sense of urgency.