Over-extend is a verb that refers to stretching something too far or going beyond acceptable limits. The antonyms for over-extends include restraint, limitation, moderation, self-control, and discipline. Restraint means holding back, limiting oneself or one's actions, or controlling emotions. Limitation is a boundary or condition that restricts or constrains something. Moderation is the practice of avoiding excess or extremes. Self-control means regulating one's emotions, impulses, and behaviors. Discipline refers to following rules or regulations and self-imposed limitations. Applying these antonyms can prevent one from over-extends, helping to maintain balance, and avoid risks of harm, mistakes, or consequences.