The phrase "leave in the lurch" is often used to describe someone who has been abandoned or deserted, usually during a time of need or crisis. Antonyms for this phrase would include words like support, assist, stay, remain, and remain faithful. Those who support and assist others during difficult times show loyalty and compassion, standing by their friends and loved ones when they need them the most. By being present and remaining faithful, we can help alleviate the stress and anxiety that often accompany difficult situations, providing a sense of security and comfort to those who may be struggling.