Outfighting is a term used in combat sports and refers to the ability to fight fiercely and with great skill. Some synonyms for outfighting include battling, combatting, confronting, contending, and facing off. Other synonyms that can describe the same quality of fighting include contending, engaging, fighting, challenging, and grappling. Essentially, any word that describes a combat or contest of strength and skill can be used to describe outfighting. Whether in the ring or on the battlefield, the ability to outfight one's opponent is a valuable skill that requires practice, strategy, and courage.