At one's pleasure is an idiomatic phrase that implies one's unrestricted freedom to act or make a choice. Its antonyms comprise words that define limitations or an absence of control. Some antonyms for at one's pleasure include under constraint, under duress, by obligation, by coercion, compelled, mandatory, compulsory, restricted, inhibited, and under command. These terms highlight the concept of being restrained or compelled to act according to someone else's will or outside constraints. At one's pleasure implies a sense of freedom and authority, and its antonyms present restrictive and limiting conditions that interfere with autonomous decision-making.