The antonyms for the phrase "more giving-in" are words that describe qualities of steadfastness and firmness. The phrases "uncompromising," "unyielding," and "inflexible" denote a refusal to budge, even in the face of pressure. Conversely, "flexible," "adaptable," and "compromising" imply a willingness to change or give in. The choice to be either giving-in or not is a personal one, and depends on the situation at hand. Workplace disputes or familial issues might benefit from a more compromising approach, while in situations of moral principle, it may be important to stand firm in one's beliefs.