The phrase "lightning attack" refers to a fast, sudden and surprise attack. Antonyms for "lightning attack" may include phrases such as "slow and steady approach" or "gradual and methodical advance." Other potential antonyms could include "peaceful settlement," "diplomatic solution," "negotiated compromise," or "mutual understanding." In a military context, antonyms to "lightning attack" might include terms such as "strategic withdrawal," "defensive deployment," or "strategic retreat." The use of such antonyms suggests a more deliberate or cautious approach to conflict, emphasizing the importance of careful planning and perhaps more diplomatic tactics to resolve disputes.