The antonyms for the phrase "bending the knee" would be standing tall, refusing to yield, staying firm, being unbending, unyielding, and inflexible. The phrase "bending the knee" is often used to depict the act of submission, surrender, or obeisance. Its antonyms, however, connote power, strength, and self-confidence. Refusing to bend the knee might signify standing up for oneself, not surrendering to others' control or influence, and being resolute in one's beliefs. Therefore, whether it's in the context of an individual's personal relationships or society at large, not bending the knee is increasingly seen as a powerful assertion of one's rights and equality.