* di-: This is the most common prefix for "direct" and is used in words like "direct", "direction", "directness", "director", etc. It often implies a straight, unhindered path or action.
* straight-: This prefix emphasizes the lack of deviation or indirection. For example, "straightforward" and "straight-talking" imply a clear and honest communication style.
* immediate-: This prefix emphasizes the lack of delay or interruption. For example, "immediate action" or "immediate consequence" suggest a rapid and direct outcome.
The best prefix to use will depend on the specific meaning you want to convey.