extensive preparation

noun phrase
UK /ɪkˈstɛnsɪv ˌprɛpəˈreɪʃən/
US /ɪkˈstɛnsɪv ˌprɛpəˈreɪʃən/

a lot of work done ahead of time to get ready for something.

The big party needed extensive preparation, so we started planning a month early.


OTHER MEANINGS

2. the state of being fully equipped and organized for a major event or task.

Her extensive preparation for the exam paid off with a perfect score.

3. a large amount of training or study done before doing something difficult.

The rescue team's extensive preparation helped them handle the emergency calmly.

4. the process of making many detailed arrangements in advance.

Extensive preparation went into the wedding, from the flowers to the seating.