Crawfishing is a term used to describe the act of backing out of a situation or backing down from an argument or disagreement. Antonyms for crawfishing include standing firm, holding your ground, persisting, persevering, and standing behind your convictions. These words all convey the idea of staying true to your beliefs and not caving in under pressure. Other antonyms for crawfishing could include standing up for yourself, being resolute, being unwavering, unyielding, or steadfast. Ultimately, the opposite of crawfishing is being strong and confident in your actions and decisions, even in the face of opposition.