In the sentence provided, "lithe" would be a better synonym for "flexible" than "pliable" because:
1. Lithe can also refer to graceful movement: Lithe not only conveys physical flexibility but also implies elegance and grace in movement. Antelopes are known for their swift and graceful movements, making "lithe" a more suitable synonym in this context.
2. Lithe implies greater flexibility than pliable does: While both "lithe" and "pliable" suggest a degree of flexibility, "lithe" typically conveys a sense of supple and agile flexibility, which aligns better with the image of an antelope speeding across open grassland with ease and agility.
3. Lithe can refer to mental flexibility as well as physical agility: Unlike "pliable," which mainly relates to physical flexibility or being easily bent or molded, "lithe" can also encompass mental flexibility or the ability to adapt quickly and gracefully to different situations. This broader connotation adds depth to the description of the antelope's movement.
In summary, "lithe" is a more suitable synonym for "flexible" in the given sentence due to its association with graceful movement, greater flexibility, and the potential to encompass both physical agility and mental adaptability.
