1. occurring or done before an official opening
Usage: business; commercial

1. the period or activities before an official opening
Usage: business; commercial

Examples

• The restaurant held preopening training sessions for all staff.
• Preopening inspections revealed several safety violations.
• The hotel’s preopening marketing campaign generated significant interest.
• During the preopening phase, they tested all equipment thoroughly.
• The preopening lasted three weeks before the grand opening.
• Investors were invited to a preopening preview of the new store.