1. the act or process of planning something in advance

Examples

• The successful event required months of careful preplanning.
• Good preplanning can prevent many problems during construction.
• The teacher emphasized the importance of preplanning before writing the essay.
• Their preplanning for the vacation included booking hotels and researching attractions.
• The project failed due to lack of adequate preplanning.
• Effective preplanning saves both time and money in the long run.