The phrase "at one's convenience" implies a sense of flexibility and ease of accessibility. However, when considering antonyms for this phrase, one can think of terms such as "at the worst possible time," "at an inconvenient hour," "at a moment's notice," or "on someone else's terms." These phrases suggest situations that are unfavorable, burdensome or inflict added stress upon an individual. Conversely, antonyms to "at one's convenience" may also include terms such as "on a strict timetable," "by appointment only," or "on a limited schedule," which convey a sense of rigidity or restriction. The term "at one's convenience" is often used to communicate an accommodating or cooperative perspective, whereas its antonyms are more likely to convey an unyielding, inflexible tone.
