When we talk about self-protection or taking action to defend ourselves, using the same phrase repeatedly can become monotonous. To avoid this problem, we can use alternative words or phrases that convey the same meaning. Some synonyms for "in self-defense" include "for protection," "to safeguard oneself," "as a defensive measure," "self-preservation," "to fend off an attack," and "to ward off danger." These alternative phrases can help us to communicate our message more clearly and effectively. So, if you want to spice up your dialogues, use these synonyms for "in self-defense" and keep your conversations engaging and interesting.