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plan (something) out
To make thorough, detailed arrangements and preparations for something in the future. Make sure this deal is planned out very carefully. Even the slightest mistake could cost us a huge amount of money. We've spent nearly two years planning our wedding out—at this point, I just want it to be over with!
plan something out
to make thorough plans for something. Let us sit down and plan our strategy out. We sat down and planned out our strategy.
To formulate a detailed scheme or plan for something: Every Monday we have a meeting to plan out the week. The suspects said the murder was an accident, but the police claimed they had planned it all out.